77557240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 190103760

約数和(自身を除く): 112546520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 131, 152, 164, 190, 205, 262, 328, 361, 380, 410, 524, 655, 722, 760, 779, 820, 1048, 1310, 1444, 1558, 1640, 1805, 2489, 2620, 2888, 3116, 3610, 3895, 4978, 5240, 5371, 6232, 7220, 7790, 9956, 10742, 12445, 14440, 14801, 15580, 19912, 21484, 24890, 26855, 29602, 31160, 42968, 47291, 49780, 53710, 59204, 74005, 94582, 99560, 102049, 107420, 118408, 148010, 189164, 204098, 214840, 236455, 296020, 378328, 408196, 472910, 510245, 592040, 816392, 945820, 1020490, 1891640, 1938931, 2040980, 3877862, 4081960, 7755724, 9694655, 15511448, 19389310, 38778620, 77557240]

約数ペア:

[(1, 77557240), (2, 38778620), (4, 19389310), (5, 15511448), (8, 9694655), (10, 7755724), (19, 4081960), (20, 3877862), (38, 2040980), (40, 1938931), (41, 1891640), (76, 1020490), (82, 945820), (95, 816392), (131, 592040), (152, 510245), (164, 472910), (190, 408196), (205, 378328), (262, 296020), (328, 236455), (361, 214840), (380, 204098), (410, 189164), (524, 148010), (655, 118408), (722, 107420), (760, 102049), (779, 99560), (820, 94582), (1048, 74005), (1310, 59204), (1444, 53710), (1558, 49780), (1640, 47291), (1805, 42968), (2489, 31160), (2620, 29602), (2888, 26855), (3116, 24890), (3610, 21484), (3895, 19912), (4978, 15580), (5240, 14801), (5371, 14440), (6232, 12445), (7220, 10742), (7790, 9956)]