31756410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:425

約数の個数: 144

約数和(自身を含む): 101368800

約数和(自身を除く): 69612390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 49, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 147, 171, 190, 210, 245, 266, 285, 294, 315, 342, 379, 399, 441, 490, 570, 630, 665, 735, 758, 798, 855, 882, 931, 1137, 1197, 1330, 1470, 1710, 1862, 1895, 1995, 2205, 2274, 2394, 2653, 2793, 3411, 3790, 3990, 4410, 4655, 5306, 5586, 5685, 5985, 6822, 7201, 7959, 8379, 9310, 11370, 11970, 13265, 13965, 14402, 15918, 16758, 17055, 18571, 21603, 23877, 26530, 27930, 34110, 36005, 37142, 39795, 41895, 43206, 47754, 50407, 55713, 64809, 72010, 79590, 83790, 92855, 100814, 108015, 111426, 119385, 129618, 151221, 167139, 185710, 216030, 238770, 252035, 278565, 302442, 324045, 334278, 352849, 453663, 504070, 557130, 648090, 705698, 756105, 835695, 907326, 1058547, 1512210, 1671390, 1764245, 2117094, 2268315, 3175641, 3528490, 4536630, 5292735, 6351282, 10585470, 15878205, 31756410]

約数ペア:

[(1, 31756410), (2, 15878205), (3, 10585470), (5, 6351282), (6, 5292735), (7, 4536630), (9, 3528490), (10, 3175641), (14, 2268315), (15, 2117094), (18, 1764245), (19, 1671390), (21, 1512210), (30, 1058547), (35, 907326), (38, 835695), (42, 756105), (45, 705698), (49, 648090), (57, 557130), (63, 504070), (70, 453663), (90, 352849), (95, 334278), (98, 324045), (105, 302442), (114, 278565), (126, 252035), (133, 238770), (147, 216030), (171, 185710), (190, 167139), (210, 151221), (245, 129618), (266, 119385), (285, 111426), (294, 108015), (315, 100814), (342, 92855), (379, 83790), (399, 79590), (441, 72010), (490, 64809), (570, 55713), (630, 50407), (665, 47754), (735, 43206), (758, 41895), (798, 39795), (855, 37142), (882, 36005), (931, 34110), (1137, 27930), (1197, 26530), (1330, 23877), (1470, 21603), (1710, 18571), (1862, 17055), (1895, 16758), (1995, 15918), (2205, 14402), (2274, 13965), (2394, 13265), (2653, 11970), (2793, 11370), (3411, 9310), (3790, 8379), (3990, 7959), (4410, 7201), (4655, 6822), (5306, 5985), (5586, 5685)]