73802680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 200880000

約数和(自身を除く): 127077320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 61, 70, 116, 122, 140, 145, 149, 203, 232, 244, 280, 290, 298, 305, 406, 427, 488, 580, 596, 610, 745, 812, 854, 1015, 1043, 1160, 1192, 1220, 1490, 1624, 1708, 1769, 2030, 2086, 2135, 2440, 2980, 3416, 3538, 4060, 4172, 4270, 4321, 5215, 5960, 7076, 8120, 8344, 8540, 8642, 8845, 9089, 10430, 12383, 14152, 17080, 17284, 17690, 18178, 20860, 21605, 24766, 30247, 34568, 35380, 36356, 41720, 43210, 45445, 49532, 60494, 61915, 63623, 70760, 72712, 86420, 90890, 99064, 120988, 123830, 127246, 151235, 172840, 181780, 241976, 247660, 254492, 263581, 302470, 318115, 363560, 495320, 508984, 527162, 604940, 636230, 1054324, 1209880, 1272460, 1317905, 1845067, 2108648, 2544920, 2635810, 3690134, 5271620, 7380268, 9225335, 10543240, 14760536, 18450670, 36901340, 73802680]

約数ペア:

[(1, 73802680), (2, 36901340), (4, 18450670), (5, 14760536), (7, 10543240), (8, 9225335), (10, 7380268), (14, 5271620), (20, 3690134), (28, 2635810), (29, 2544920), (35, 2108648), (40, 1845067), (56, 1317905), (58, 1272460), (61, 1209880), (70, 1054324), (116, 636230), (122, 604940), (140, 527162), (145, 508984), (149, 495320), (203, 363560), (232, 318115), (244, 302470), (280, 263581), (290, 254492), (298, 247660), (305, 241976), (406, 181780), (427, 172840), (488, 151235), (580, 127246), (596, 123830), (610, 120988), (745, 99064), (812, 90890), (854, 86420), (1015, 72712), (1043, 70760), (1160, 63623), (1192, 61915), (1220, 60494), (1490, 49532), (1624, 45445), (1708, 43210), (1769, 41720), (2030, 36356), (2086, 35380), (2135, 34568), (2440, 30247), (2980, 24766), (3416, 21605), (3538, 20860), (4060, 18178), (4172, 17690), (4270, 17284), (4321, 17080), (5215, 14152), (5960, 12383), (7076, 10430), (8120, 9089), (8344, 8845), (8540, 8642)]