71332180

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 154990080

約数和(自身を除く): 83657900

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 236, 244, 295, 305, 590, 610, 991, 1180, 1220, 1982, 3599, 3964, 4955, 7198, 9910, 14396, 17995, 19820, 35990, 58469, 60451, 71980, 116938, 120902, 233876, 241804, 292345, 302255, 584690, 604510, 1169380, 1209020, 3566609, 7133218, 14266436, 17833045, 35666090, 71332180]

約数ペア:

[(1, 71332180), (2, 35666090), (4, 17833045), (5, 14266436), (10, 7133218), (20, 3566609), (59, 1209020), (61, 1169380), (118, 604510), (122, 584690), (236, 302255), (244, 292345), (295, 241804), (305, 233876), (590, 120902), (610, 116938), (991, 71980), (1180, 60451), (1220, 58469), (1982, 35990), (3599, 19820), (3964, 17995), (4955, 14396), (7198, 9910)]