15690639380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{42589}}^1$

素因数の和:42733

約数の個数: 72

約数和(自身を含む): 36008141400

約数和(自身を除く): 20317502020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 169, 218, 260, 338, 436, 545, 676, 845, 1090, 1417, 1690, 2180, 2834, 3380, 5668, 7085, 14170, 18421, 28340, 36842, 42589, 73684, 85178, 92105, 170356, 184210, 212945, 368420, 425890, 553657, 851780, 1107314, 2214628, 2768285, 4642201, 5536570, 7197541, 9284402, 11073140, 14395082, 18568804, 23211005, 28790164, 35987705, 46422010, 60348613, 71975410, 92844020, 120697226, 143950820, 241394452, 301743065, 603486130, 784531969, 1206972260, 1569063938, 3138127876, 3922659845, 7845319690, 15690639380]

約数ペア:

[(1, 15690639380), (2, 7845319690), (4, 3922659845), (5, 3138127876), (10, 1569063938), (13, 1206972260), (20, 784531969), (26, 603486130), (52, 301743065), (65, 241394452), (109, 143950820), (130, 120697226), (169, 92844020), (218, 71975410), (260, 60348613), (338, 46422010), (436, 35987705), (545, 28790164), (676, 23211005), (845, 18568804), (1090, 14395082), (1417, 11073140), (1690, 9284402), (2180, 7197541), (2834, 5536570), (3380, 4642201), (5668, 2768285), (7085, 2214628), (14170, 1107314), (18421, 851780), (28340, 553657), (36842, 425890), (42589, 368420), (73684, 212945), (85178, 184210), (92105, 170356)]