72957040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:155

約数の個数: 160

約数和(自身を含む): 196862400

約数和(自身を除く): 123905360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 41, 52, 58, 59, 65, 80, 82, 104, 116, 118, 130, 145, 164, 205, 208, 232, 236, 260, 290, 295, 328, 377, 410, 464, 472, 520, 533, 580, 590, 656, 754, 767, 820, 944, 1040, 1066, 1160, 1180, 1189, 1508, 1534, 1640, 1711, 1885, 2132, 2320, 2360, 2378, 2419, 2665, 3016, 3068, 3280, 3422, 3770, 3835, 4264, 4720, 4756, 4838, 5330, 5945, 6032, 6136, 6844, 7540, 7670, 8528, 8555, 9512, 9676, 10660, 11890, 12095, 12272, 13688, 15080, 15340, 15457, 17110, 19024, 19352, 21320, 22243, 23780, 24190, 27376, 30160, 30680, 30914, 31447, 34220, 38704, 42640, 44486, 47560, 48380, 61360, 61828, 62894, 68440, 70151, 77285, 88972, 95120, 96760, 111215, 123656, 125788, 136880, 140302, 154570, 157235, 177944, 193520, 222430, 247312, 251576, 280604, 309140, 314470, 350755, 355888, 444860, 503152, 561208, 618280, 628940, 701510, 889720, 911963, 1122416, 1236560, 1257880, 1403020, 1779440, 1823926, 2515760, 2806040, 3647852, 4559815, 5612080, 7295704, 9119630, 14591408, 18239260, 36478520, 72957040]

約数ペア:

[(1, 72957040), (2, 36478520), (4, 18239260), (5, 14591408), (8, 9119630), (10, 7295704), (13, 5612080), (16, 4559815), (20, 3647852), (26, 2806040), (29, 2515760), (40, 1823926), (41, 1779440), (52, 1403020), (58, 1257880), (59, 1236560), (65, 1122416), (80, 911963), (82, 889720), (104, 701510), (116, 628940), (118, 618280), (130, 561208), (145, 503152), (164, 444860), (205, 355888), (208, 350755), (232, 314470), (236, 309140), (260, 280604), (290, 251576), (295, 247312), (328, 222430), (377, 193520), (410, 177944), (464, 157235), (472, 154570), (520, 140302), (533, 136880), (580, 125788), (590, 123656), (656, 111215), (754, 96760), (767, 95120), (820, 88972), (944, 77285), (1040, 70151), (1066, 68440), (1160, 62894), (1180, 61828), (1189, 61360), (1508, 48380), (1534, 47560), (1640, 44486), (1711, 42640), (1885, 38704), (2132, 34220), (2320, 31447), (2360, 30914), (2378, 30680), (2419, 30160), (2665, 27376), (3016, 24190), (3068, 23780), (3280, 22243), (3422, 21320), (3770, 19352), (3835, 19024), (4264, 17110), (4720, 15457), (4756, 15340), (4838, 15080), (5330, 13688), (5945, 12272), (6032, 12095), (6136, 11890), (6844, 10660), (7540, 9676), (7670, 9512), (8528, 8555)]