19949779320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{695599}}^1$

素因数の和:695852

約数の個数: 64

約数和(自身を含む): 60099840000

約数和(自身を除く): 40150060680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 4780, 5736, 7170, 9560, 14340, 28680, 695599, 1391198, 2086797, 2782396, 3477995, 4173594, 5564792, 6955990, 8347188, 10433985, 13911980, 16694376, 20867970, 27823960, 41735940, 83471880, 166248161, 332496322, 498744483, 664992644, 831240805, 997488966, 1329985288, 1662481610, 1994977932, 2493722415, 3324963220, 3989955864, 4987444830, 6649926440, 9974889660, 19949779320]

約数ペア:

[(1, 19949779320), (2, 9974889660), (3, 6649926440), (4, 4987444830), (5, 3989955864), (6, 3324963220), (8, 2493722415), (10, 1994977932), (12, 1662481610), (15, 1329985288), (20, 997488966), (24, 831240805), (30, 664992644), (40, 498744483), (60, 332496322), (120, 166248161), (239, 83471880), (478, 41735940), (717, 27823960), (956, 20867970), (1195, 16694376), (1434, 13911980), (1912, 10433985), (2390, 8347188), (2868, 6955990), (3585, 5564792), (4780, 4173594), (5736, 3477995), (7170, 2782396), (9560, 2086797), (14340, 1391198), (28680, 695599)]