65617640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 174182400

約数和(自身を除く): 108564760

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 47, 55, 76, 88, 94, 95, 110, 152, 167, 188, 190, 209, 220, 235, 334, 376, 380, 418, 440, 470, 517, 668, 760, 835, 836, 893, 940, 1034, 1045, 1336, 1670, 1672, 1786, 1837, 1880, 2068, 2090, 2585, 3173, 3340, 3572, 3674, 4136, 4180, 4465, 5170, 6346, 6680, 7144, 7348, 7849, 8360, 8930, 9185, 9823, 10340, 12692, 14696, 15698, 15865, 17860, 18370, 19646, 20680, 25384, 31396, 31730, 34903, 35720, 36740, 39245, 39292, 49115, 62792, 63460, 69806, 73480, 78490, 78584, 86339, 98230, 126920, 139612, 149131, 156980, 172678, 174515, 196460, 279224, 298262, 313960, 345356, 349030, 392920, 431695, 596524, 690712, 698060, 745655, 863390, 1193048, 1396120, 1491310, 1640441, 1726780, 2982620, 3280882, 3453560, 5965240, 6561764, 8202205, 13123528, 16404410, 32808820, 65617640]

約数ペア:

[(1, 65617640), (2, 32808820), (4, 16404410), (5, 13123528), (8, 8202205), (10, 6561764), (11, 5965240), (19, 3453560), (20, 3280882), (22, 2982620), (38, 1726780), (40, 1640441), (44, 1491310), (47, 1396120), (55, 1193048), (76, 863390), (88, 745655), (94, 698060), (95, 690712), (110, 596524), (152, 431695), (167, 392920), (188, 349030), (190, 345356), (209, 313960), (220, 298262), (235, 279224), (334, 196460), (376, 174515), (380, 172678), (418, 156980), (440, 149131), (470, 139612), (517, 126920), (668, 98230), (760, 86339), (835, 78584), (836, 78490), (893, 73480), (940, 69806), (1034, 63460), (1045, 62792), (1336, 49115), (1670, 39292), (1672, 39245), (1786, 36740), (1837, 35720), (1880, 34903), (2068, 31730), (2090, 31396), (2585, 25384), (3173, 20680), (3340, 19646), (3572, 18370), (3674, 17860), (4136, 15865), (4180, 15698), (4465, 14696), (5170, 12692), (6346, 10340), (6680, 9823), (7144, 9185), (7348, 8930), (7849, 8360)]