551021280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1949}}^1$

素因数の和:2017

約数の個数: 192

約数和(自身を含む): 1886976000

約数和(自身を除く): 1335954720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 32, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 96, 114, 120, 124, 152, 155, 160, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 480, 496, 570, 589, 608, 620, 744, 760, 912, 930, 992, 1140, 1178, 1240, 1488, 1520, 1767, 1824, 1860, 1949, 2280, 2356, 2480, 2945, 2976, 3040, 3534, 3720, 3898, 4560, 4712, 4960, 5847, 5890, 7068, 7440, 7796, 8835, 9120, 9424, 9745, 11694, 11780, 14136, 14880, 15592, 17670, 18848, 19490, 23388, 23560, 28272, 29235, 31184, 35340, 37031, 38980, 46776, 47120, 56544, 58470, 60419, 62368, 70680, 74062, 77960, 93552, 94240, 111093, 116940, 120838, 141360, 148124, 155920, 181257, 185155, 187104, 222186, 233880, 241676, 282720, 296248, 302095, 311840, 362514, 370310, 444372, 467760, 483352, 555465, 592496, 604190, 725028, 740620, 888744, 906285, 935520, 966704, 1110930, 1147961, 1184992, 1208380, 1450056, 1481240, 1777488, 1812570, 1933408, 2221860, 2295922, 2416760, 2900112, 2962480, 3443883, 3554976, 3625140, 4443720, 4591844, 4833520, 5739805, 5800224, 5924960, 6887766, 7250280, 8887440, 9183688, 9667040, 11479610, 13775532, 14500560, 17219415, 17774880, 18367376, 22959220, 27551064, 29001120, 34438830, 36734752, 45918440, 55102128, 68877660, 91836880, 110204256, 137755320, 183673760, 275510640, 551021280]

約数ペア:

[(1, 551021280), (2, 275510640), (3, 183673760), (4, 137755320), (5, 110204256), (6, 91836880), (8, 68877660), (10, 55102128), (12, 45918440), (15, 36734752), (16, 34438830), (19, 29001120), (20, 27551064), (24, 22959220), (30, 18367376), (31, 17774880), (32, 17219415), (38, 14500560), (40, 13775532), (48, 11479610), (57, 9667040), (60, 9183688), (62, 8887440), (76, 7250280), (80, 6887766), (93, 5924960), (95, 5800224), (96, 5739805), (114, 4833520), (120, 4591844), (124, 4443720), (152, 3625140), (155, 3554976), (160, 3443883), (186, 2962480), (190, 2900112), (228, 2416760), (240, 2295922), (248, 2221860), (285, 1933408), (304, 1812570), (310, 1777488), (372, 1481240), (380, 1450056), (456, 1208380), (465, 1184992), (480, 1147961), (496, 1110930), (570, 966704), (589, 935520), (608, 906285), (620, 888744), (744, 740620), (760, 725028), (912, 604190), (930, 592496), (992, 555465), (1140, 483352), (1178, 467760), (1240, 444372), (1488, 370310), (1520, 362514), (1767, 311840), (1824, 302095), (1860, 296248), (1949, 282720), (2280, 241676), (2356, 233880), (2480, 222186), (2945, 187104), (2976, 185155), (3040, 181257), (3534, 155920), (3720, 148124), (3898, 141360), (4560, 120838), (4712, 116940), (4960, 111093), (5847, 94240), (5890, 93552), (7068, 77960), (7440, 74062), (7796, 70680), (8835, 62368), (9120, 60419), (9424, 58470), (9745, 56544), (11694, 47120), (11780, 46776), (14136, 38980), (14880, 37031), (15592, 35340), (17670, 31184), (18848, 29235), (19490, 28272), (23388, 23560)]