72765840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43313}}^1$

素因数の和:43336

約数の個数: 80

約数和(自身を含む): 257804928

約数和(自身を除く): 185039088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 43313, 86626, 129939, 173252, 216565, 259878, 303191, 346504, 433130, 519756, 606382, 649695, 693008, 866260, 909573, 1039512, 1212764, 1299390, 1515955, 1732520, 1819146, 2079024, 2425528, 2598780, 3031910, 3465040, 3638292, 4547865, 4851056, 5197560, 6063820, 7276584, 9095730, 10395120, 12127640, 14553168, 18191460, 24255280, 36382920, 72765840]

約数ペア:

[(1, 72765840), (2, 36382920), (3, 24255280), (4, 18191460), (5, 14553168), (6, 12127640), (7, 10395120), (8, 9095730), (10, 7276584), (12, 6063820), (14, 5197560), (15, 4851056), (16, 4547865), (20, 3638292), (21, 3465040), (24, 3031910), (28, 2598780), (30, 2425528), (35, 2079024), (40, 1819146), (42, 1732520), (48, 1515955), (56, 1299390), (60, 1212764), (70, 1039512), (80, 909573), (84, 866260), (105, 693008), (112, 649695), (120, 606382), (140, 519756), (168, 433130), (210, 346504), (240, 303191), (280, 259878), (336, 216565), (420, 173252), (560, 129939), (840, 86626), (1680, 43313)]