15262940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 43436736

約数和(自身を除く): 28173796

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 53, 55, 68, 70, 77, 85, 106, 110, 119, 121, 140, 154, 170, 187, 212, 220, 238, 242, 265, 308, 340, 371, 374, 385, 476, 484, 530, 583, 595, 605, 742, 748, 770, 847, 901, 935, 1060, 1166, 1190, 1210, 1309, 1484, 1540, 1694, 1802, 1855, 1870, 2057, 2332, 2380, 2420, 2618, 2915, 3388, 3604, 3710, 3740, 4081, 4114, 4235, 4505, 5236, 5830, 6307, 6413, 6545, 7420, 8162, 8228, 8470, 9010, 9911, 10285, 11660, 12614, 12826, 13090, 14399, 16324, 16940, 18020, 19822, 20405, 20570, 25228, 25652, 26180, 28798, 31535, 32065, 39644, 40810, 41140, 44891, 49555, 57596, 63070, 64130, 69377, 71995, 81620, 89782, 99110, 109021, 126140, 128260, 138754, 143990, 179564, 198220, 218042, 224455, 277508, 287980, 346885, 436084, 448910, 545105, 693770, 763147, 897820, 1090210, 1387540, 1526294, 2180420, 3052588, 3815735, 7631470, 15262940]

約数ペア:

[(1, 15262940), (2, 7631470), (4, 3815735), (5, 3052588), (7, 2180420), (10, 1526294), (11, 1387540), (14, 1090210), (17, 897820), (20, 763147), (22, 693770), (28, 545105), (34, 448910), (35, 436084), (44, 346885), (53, 287980), (55, 277508), (68, 224455), (70, 218042), (77, 198220), (85, 179564), (106, 143990), (110, 138754), (119, 128260), (121, 126140), (140, 109021), (154, 99110), (170, 89782), (187, 81620), (212, 71995), (220, 69377), (238, 64130), (242, 63070), (265, 57596), (308, 49555), (340, 44891), (371, 41140), (374, 40810), (385, 39644), (476, 32065), (484, 31535), (530, 28798), (583, 26180), (595, 25652), (605, 25228), (742, 20570), (748, 20405), (770, 19822), (847, 18020), (901, 16940), (935, 16324), (1060, 14399), (1166, 13090), (1190, 12826), (1210, 12614), (1309, 11660), (1484, 10285), (1540, 9911), (1694, 9010), (1802, 8470), (1855, 8228), (1870, 8162), (2057, 7420), (2332, 6545), (2380, 6413), (2420, 6307), (2618, 5830), (2915, 5236), (3388, 4505), (3604, 4235), (3710, 4114), (3740, 4081)]