490291920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 320

約数和(自身を含む): 1799884800

約数和(自身を除く): 1309592880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 71, 72, 80, 90, 92, 108, 115, 120, 135, 138, 139, 142, 144, 180, 184, 207, 213, 216, 230, 240, 270, 276, 278, 284, 345, 355, 360, 368, 414, 417, 426, 432, 460, 540, 552, 556, 568, 621, 639, 690, 695, 710, 720, 828, 834, 852, 920, 1035, 1065, 1080, 1104, 1112, 1136, 1242, 1251, 1278, 1380, 1390, 1420, 1633, 1656, 1668, 1704, 1840, 1917, 2070, 2085, 2130, 2160, 2224, 2484, 2502, 2556, 2760, 2780, 2840, 3105, 3195, 3197, 3266, 3312, 3336, 3408, 3753, 3834, 4140, 4170, 4260, 4899, 4968, 5004, 5112, 5520, 5560, 5680, 6210, 6255, 6390, 6394, 6532, 6672, 7506, 7668, 8165, 8280, 8340, 8520, 9585, 9591, 9798, 9869, 9936, 10008, 10224, 11120, 12420, 12510, 12780, 12788, 13064, 14697, 15012, 15336, 15985, 16330, 16560, 16680, 17040, 18765, 19170, 19182, 19596, 19738, 20016, 24495, 24840, 25020, 25560, 25576, 26128, 28773, 29394, 29607, 30024, 30672, 31970, 32660, 33360, 37530, 38340, 38364, 39192, 39476, 44091, 47955, 48990, 49345, 49680, 50040, 51120, 51152, 57546, 58788, 59214, 60048, 63940, 65320, 73485, 75060, 76680, 76728, 78384, 78952, 86319, 88182, 88821, 95910, 97980, 98690, 100080, 115092, 117576, 118428, 127880, 130640, 143865, 146970, 148035, 150120, 153360, 153456, 157904, 172638, 176364, 177642, 191820, 195960, 197380, 220455, 226987, 230184, 235152, 236856, 255760, 266463, 287730, 293940, 296070, 300240, 345276, 352728, 355284, 383640, 391920, 394760, 431595, 440910, 444105, 453974, 460368, 473712, 532926, 575460, 587880, 592140, 680961, 690552, 705456, 710568, 767280, 789520, 863190, 881820, 888210, 907948, 1065852, 1134935, 1150920, 1175760, 1184280, 1332315, 1361922, 1381104, 1421136, 1726380, 1763640, 1776420, 1815896, 2042883, 2131704, 2269870, 2301840, 2368560, 2664630, 2723844, 3404805, 3452760, 3527280, 3552840, 3631792, 4085766, 4263408, 4539740, 5329260, 5447688, 6128649, 6809610, 6905520, 7105680, 8171532, 9079480, 10214415, 10658520, 10895376, 12257298, 13619220, 16343064, 18158960, 20428830, 21317040, 24514596, 27238440, 30643245, 32686128, 40857660, 49029192, 54476880, 61286490, 81715320, 98058384, 122572980, 163430640, 245145960, 490291920]

約数ペア:

[(1, 490291920), (2, 245145960), (3, 163430640), (4, 122572980), (5, 98058384), (6, 81715320), (8, 61286490), (9, 54476880), (10, 49029192), (12, 40857660), (15, 32686128), (16, 30643245), (18, 27238440), (20, 24514596), (23, 21317040), (24, 20428830), (27, 18158960), (30, 16343064), (36, 13619220), (40, 12257298), (45, 10895376), (46, 10658520), (48, 10214415), (54, 9079480), (60, 8171532), (69, 7105680), (71, 6905520), (72, 6809610), (80, 6128649), (90, 5447688), (92, 5329260), (108, 4539740), (115, 4263408), (120, 4085766), (135, 3631792), (138, 3552840), (139, 3527280), (142, 3452760), (144, 3404805), (180, 2723844), (184, 2664630), (207, 2368560), (213, 2301840), (216, 2269870), (230, 2131704), (240, 2042883), (270, 1815896), (276, 1776420), (278, 1763640), (284, 1726380), (345, 1421136), (355, 1381104), (360, 1361922), (368, 1332315), (414, 1184280), (417, 1175760), (426, 1150920), (432, 1134935), (460, 1065852), (540, 907948), (552, 888210), (556, 881820), (568, 863190), (621, 789520), (639, 767280), (690, 710568), (695, 705456), (710, 690552), (720, 680961), (828, 592140), (834, 587880), (852, 575460), (920, 532926), (1035, 473712), (1065, 460368), (1080, 453974), (1104, 444105), (1112, 440910), (1136, 431595), (1242, 394760), (1251, 391920), (1278, 383640), (1380, 355284), (1390, 352728), (1420, 345276), (1633, 300240), (1656, 296070), (1668, 293940), (1704, 287730), (1840, 266463), (1917, 255760), (2070, 236856), (2085, 235152), (2130, 230184), (2160, 226987), (2224, 220455), (2484, 197380), (2502, 195960), (2556, 191820), (2760, 177642), (2780, 176364), (2840, 172638), (3105, 157904), (3195, 153456), (3197, 153360), (3266, 150120), (3312, 148035), (3336, 146970), (3408, 143865), (3753, 130640), (3834, 127880), (4140, 118428), (4170, 117576), (4260, 115092), (4899, 100080), (4968, 98690), (5004, 97980), (5112, 95910), (5520, 88821), (5560, 88182), (5680, 86319), (6210, 78952), (6255, 78384), (6390, 76728), (6394, 76680), (6532, 75060), (6672, 73485), (7506, 65320), (7668, 63940), (8165, 60048), (8280, 59214), (8340, 58788), (8520, 57546), (9585, 51152), (9591, 51120), (9798, 50040), (9869, 49680), (9936, 49345), (10008, 48990), (10224, 47955), (11120, 44091), (12420, 39476), (12510, 39192), (12780, 38364), (12788, 38340), (13064, 37530), (14697, 33360), (15012, 32660), (15336, 31970), (15985, 30672), (16330, 30024), (16560, 29607), (16680, 29394), (17040, 28773), (18765, 26128), (19170, 25576), (19182, 25560), (19596, 25020), (19738, 24840), (20016, 24495)]