71140640

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 176332464

約数和(自身を除く): 105191824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 61, 74, 80, 122, 148, 160, 185, 197, 244, 296, 305, 370, 394, 488, 592, 610, 740, 788, 976, 985, 1184, 1220, 1480, 1576, 1952, 1970, 2257, 2440, 2960, 3152, 3940, 4514, 4880, 5920, 6304, 7289, 7880, 9028, 9760, 11285, 12017, 14578, 15760, 18056, 22570, 24034, 29156, 31520, 36112, 36445, 45140, 48068, 58312, 60085, 72224, 72890, 90280, 96136, 116624, 120170, 145780, 180560, 192272, 233248, 240340, 291560, 361120, 384544, 444629, 480680, 583120, 889258, 961360, 1166240, 1778516, 1922720, 2223145, 3557032, 4446290, 7114064, 8892580, 14228128, 17785160, 35570320, 71140640]

約数ペア:

[(1, 71140640), (2, 35570320), (4, 17785160), (5, 14228128), (8, 8892580), (10, 7114064), (16, 4446290), (20, 3557032), (32, 2223145), (37, 1922720), (40, 1778516), (61, 1166240), (74, 961360), (80, 889258), (122, 583120), (148, 480680), (160, 444629), (185, 384544), (197, 361120), (244, 291560), (296, 240340), (305, 233248), (370, 192272), (394, 180560), (488, 145780), (592, 120170), (610, 116624), (740, 96136), (788, 90280), (976, 72890), (985, 72224), (1184, 60085), (1220, 58312), (1480, 48068), (1576, 45140), (1952, 36445), (1970, 36112), (2257, 31520), (2440, 29156), (2960, 24034), (3152, 22570), (3940, 18056), (4514, 15760), (4880, 14578), (5920, 12017), (6304, 11285), (7289, 9760), (7880, 9028)]