1921657680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{2677}}^1$

素因数の和:3693

約数の個数: 120

約数和(自身を含む): 6462453192

約数和(自身を除く): 4540795512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 997, 1994, 2677, 2991, 3988, 4985, 5354, 5982, 7976, 8031, 8973, 9970, 10708, 11964, 13385, 14955, 15952, 16062, 17946, 19940, 21416, 23928, 24093, 26770, 29910, 32124, 35892, 39880, 40155, 42832, 44865, 47856, 48186, 53540, 59820, 64248, 71784, 79760, 80310, 89730, 96372, 107080, 119640, 120465, 128496, 143568, 160620, 179460, 192744, 214160, 239280, 240930, 321240, 358920, 385488, 481860, 642480, 717840, 963720, 1927440, 2668969, 5337938, 8006907, 10675876, 13344845, 16013814, 21351752, 24020721, 26689690, 32027628, 40034535, 42703504, 48041442, 53379380, 64055256, 80069070, 96082884, 106758760, 120103605, 128110512, 160138140, 192165768, 213517520, 240207210, 320276280, 384331536, 480414420, 640552560, 960828840, 1921657680]

約数ペア:

[(1, 1921657680), (2, 960828840), (3, 640552560), (4, 480414420), (5, 384331536), (6, 320276280), (8, 240207210), (9, 213517520), (10, 192165768), (12, 160138140), (15, 128110512), (16, 120103605), (18, 106758760), (20, 96082884), (24, 80069070), (30, 64055256), (36, 53379380), (40, 48041442), (45, 42703504), (48, 40034535), (60, 32027628), (72, 26689690), (80, 24020721), (90, 21351752), (120, 16013814), (144, 13344845), (180, 10675876), (240, 8006907), (360, 5337938), (720, 2668969), (997, 1927440), (1994, 963720), (2677, 717840), (2991, 642480), (3988, 481860), (4985, 385488), (5354, 358920), (5982, 321240), (7976, 240930), (8031, 239280), (8973, 214160), (9970, 192744), (10708, 179460), (11964, 160620), (13385, 143568), (14955, 128496), (15952, 120465), (16062, 119640), (17946, 107080), (19940, 96372), (21416, 89730), (23928, 80310), (24093, 79760), (26770, 71784), (29910, 64248), (32124, 59820), (35892, 53540), (39880, 48186), (40155, 47856), (42832, 44865)]