61918780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1297}}^1$

素因数の和:1355

約数の個数: 96

約数和(自身を含む): 167473152

約数和(自身を除く): 105554372

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 434, 620, 682, 770, 868, 1085, 1297, 1364, 1540, 1705, 2170, 2387, 2594, 3410, 4340, 4774, 5188, 6485, 6820, 9079, 9548, 11935, 12970, 14267, 18158, 23870, 25940, 28534, 36316, 40207, 45395, 47740, 57068, 71335, 80414, 90790, 99869, 142670, 160828, 181580, 199738, 201035, 281449, 285340, 399476, 402070, 442277, 499345, 562898, 804140, 884554, 998690, 1125796, 1407245, 1769108, 1997380, 2211385, 2814490, 3095939, 4422770, 5628980, 6191878, 8845540, 12383756, 15479695, 30959390, 61918780]

約数ペア:

[(1, 61918780), (2, 30959390), (4, 15479695), (5, 12383756), (7, 8845540), (10, 6191878), (11, 5628980), (14, 4422770), (20, 3095939), (22, 2814490), (28, 2211385), (31, 1997380), (35, 1769108), (44, 1407245), (55, 1125796), (62, 998690), (70, 884554), (77, 804140), (110, 562898), (124, 499345), (140, 442277), (154, 402070), (155, 399476), (217, 285340), (220, 281449), (308, 201035), (310, 199738), (341, 181580), (385, 160828), (434, 142670), (620, 99869), (682, 90790), (770, 80414), (868, 71335), (1085, 57068), (1297, 47740), (1364, 45395), (1540, 40207), (1705, 36316), (2170, 28534), (2387, 25940), (2594, 23870), (3410, 18158), (4340, 14267), (4774, 12970), (5188, 11935), (6485, 9548), (6820, 9079)]