15533980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 108

約数和(自身を含む): 42029064

約数和(自身を除く): 26495084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 131, 140, 154, 196, 220, 242, 245, 262, 308, 385, 484, 490, 524, 539, 605, 655, 770, 847, 917, 980, 1078, 1210, 1310, 1441, 1540, 1694, 1834, 2156, 2420, 2620, 2695, 2882, 3388, 3668, 4235, 4585, 5390, 5764, 5929, 6419, 7205, 8470, 9170, 10087, 10780, 11858, 12838, 14410, 15851, 16940, 18340, 20174, 23716, 25676, 28820, 29645, 31702, 32095, 40348, 50435, 59290, 63404, 64190, 70609, 79255, 100870, 110957, 118580, 128380, 141218, 158510, 201740, 221914, 282436, 317020, 353045, 443828, 554785, 706090, 776699, 1109570, 1412180, 1553398, 2219140, 3106796, 3883495, 7766990, 15533980]

約数ペア:

[(1, 15533980), (2, 7766990), (4, 3883495), (5, 3106796), (7, 2219140), (10, 1553398), (11, 1412180), (14, 1109570), (20, 776699), (22, 706090), (28, 554785), (35, 443828), (44, 353045), (49, 317020), (55, 282436), (70, 221914), (77, 201740), (98, 158510), (110, 141218), (121, 128380), (131, 118580), (140, 110957), (154, 100870), (196, 79255), (220, 70609), (242, 64190), (245, 63404), (262, 59290), (308, 50435), (385, 40348), (484, 32095), (490, 31702), (524, 29645), (539, 28820), (605, 25676), (655, 23716), (770, 20174), (847, 18340), (917, 16940), (980, 15851), (1078, 14410), (1210, 12838), (1310, 11858), (1441, 10780), (1540, 10087), (1694, 9170), (1834, 8470), (2156, 7205), (2420, 6419), (2620, 5929), (2695, 5764), (2882, 5390), (3388, 4585), (3668, 4235)]