19820160

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 256

約数和(自身を含む): 74419200

約数和(自身を除く): 54599040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 37, 40, 45, 48, 54, 60, 62, 64, 72, 74, 80, 90, 93, 96, 108, 111, 120, 124, 128, 135, 144, 148, 155, 160, 180, 185, 186, 192, 216, 222, 240, 248, 270, 279, 288, 296, 310, 320, 333, 360, 370, 372, 384, 432, 444, 465, 480, 496, 540, 555, 558, 576, 592, 620, 640, 666, 720, 740, 744, 837, 864, 888, 930, 960, 992, 999, 1080, 1110, 1116, 1147, 1152, 1184, 1240, 1332, 1395, 1440, 1480, 1488, 1665, 1674, 1728, 1776, 1860, 1920, 1984, 1998, 2160, 2220, 2232, 2294, 2368, 2480, 2664, 2790, 2880, 2960, 2976, 3330, 3348, 3441, 3456, 3552, 3720, 3968, 3996, 4185, 4320, 4440, 4464, 4588, 4736, 4960, 4995, 5328, 5580, 5735, 5760, 5920, 5952, 6660, 6696, 6882, 7104, 7440, 7992, 8370, 8640, 8880, 8928, 9176, 9920, 9990, 10323, 10656, 11160, 11470, 11840, 11904, 13320, 13392, 13764, 14208, 14880, 15984, 16740, 17205, 17280, 17760, 17856, 18352, 19840, 19980, 20646, 21312, 22320, 22940, 23680, 26640, 26784, 27528, 29760, 30969, 31968, 33480, 34410, 35520, 35712, 36704, 39960, 41292, 42624, 44640, 45880, 51615, 53280, 53568, 55056, 59520, 61938, 63936, 66960, 68820, 71040, 73408, 79920, 82584, 89280, 91760, 103230, 106560, 107136, 110112, 123876, 127872, 133920, 137640, 146816, 154845, 159840, 165168, 178560, 183520, 206460, 213120, 220224, 247752, 267840, 275280, 309690, 319680, 330336, 367040, 412920, 440448, 495504, 535680, 550560, 619380, 639360, 660672, 734080, 825840, 991008, 1101120, 1238760, 1321344, 1651680, 1982016, 2202240, 2477520, 3303360, 3964032, 4955040, 6606720, 9910080, 19820160]

約数ペア:

[(1, 19820160), (2, 9910080), (3, 6606720), (4, 4955040), (5, 3964032), (6, 3303360), (8, 2477520), (9, 2202240), (10, 1982016), (12, 1651680), (15, 1321344), (16, 1238760), (18, 1101120), (20, 991008), (24, 825840), (27, 734080), (30, 660672), (31, 639360), (32, 619380), (36, 550560), (37, 535680), (40, 495504), (45, 440448), (48, 412920), (54, 367040), (60, 330336), (62, 319680), (64, 309690), (72, 275280), (74, 267840), (80, 247752), (90, 220224), (93, 213120), (96, 206460), (108, 183520), (111, 178560), (120, 165168), (124, 159840), (128, 154845), (135, 146816), (144, 137640), (148, 133920), (155, 127872), (160, 123876), (180, 110112), (185, 107136), (186, 106560), (192, 103230), (216, 91760), (222, 89280), (240, 82584), (248, 79920), (270, 73408), (279, 71040), (288, 68820), (296, 66960), (310, 63936), (320, 61938), (333, 59520), (360, 55056), (370, 53568), (372, 53280), (384, 51615), (432, 45880), (444, 44640), (465, 42624), (480, 41292), (496, 39960), (540, 36704), (555, 35712), (558, 35520), (576, 34410), (592, 33480), (620, 31968), (640, 30969), (666, 29760), (720, 27528), (740, 26784), (744, 26640), (837, 23680), (864, 22940), (888, 22320), (930, 21312), (960, 20646), (992, 19980), (999, 19840), (1080, 18352), (1110, 17856), (1116, 17760), (1147, 17280), (1152, 17205), (1184, 16740), (1240, 15984), (1332, 14880), (1395, 14208), (1440, 13764), (1480, 13392), (1488, 13320), (1665, 11904), (1674, 11840), (1728, 11470), (1776, 11160), (1860, 10656), (1920, 10323), (1984, 9990), (1998, 9920), (2160, 9176), (2220, 8928), (2232, 8880), (2294, 8640), (2368, 8370), (2480, 7992), (2664, 7440), (2790, 7104), (2880, 6882), (2960, 6696), (2976, 6660), (3330, 5952), (3348, 5920), (3441, 5760), (3456, 5735), (3552, 5580), (3720, 5328), (3968, 4995), (3996, 4960), (4185, 4736), (4320, 4588), (4440, 4464)]