72997680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43451}}^1$

素因数の和:43474

約数の個数: 80

約数和(自身を含む): 258626304

約数和(自身を除く): 185628624

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, 43451, 86902, 130353, 173804, 217255, 260706, 304157, 347608, 434510, 521412, 608314, 651765, 695216, 869020, 912471, 1042824, 1216628, 1303530, 1520785, 1738040, 1824942, 2085648, 2433256, 2607060, 3041570, 3476080, 3649884, 4562355, 4866512, 5214120, 6083140, 7299768, 9124710, 10428240, 12166280, 14599536, 18249420, 24332560, 36498840, 72997680]

約数ペア:

[(1, 72997680), (2, 36498840), (3, 24332560), (4, 18249420), (5, 14599536), (6, 12166280), (7, 10428240), (8, 9124710), (10, 7299768), (12, 6083140), (14, 5214120), (15, 4866512), (16, 4562355), (20, 3649884), (21, 3476080), (24, 3041570), (28, 2607060), (30, 2433256), (35, 2085648), (40, 1824942), (42, 1738040), (48, 1520785), (56, 1303530), (60, 1216628), (70, 1042824), (80, 912471), (84, 869020), (105, 695216), (112, 651765), (120, 608314), (140, 521412), (168, 434510), (210, 347608), (240, 304157), (280, 260706), (336, 217255), (420, 173804), (560, 130353), (840, 86902), (1680, 43451)]