213996540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1123

約数の個数: 96

約数和(自身を含む): 619960320

約数和(自身を除く): 405963780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 61, 118, 122, 177, 183, 236, 244, 295, 305, 354, 366, 590, 610, 708, 732, 885, 915, 991, 1180, 1220, 1770, 1830, 1982, 2973, 3540, 3599, 3660, 3964, 4955, 5946, 7198, 9910, 10797, 11892, 14396, 14865, 17995, 19820, 21594, 29730, 35990, 43188, 53985, 58469, 59460, 60451, 71980, 107970, 116938, 120902, 175407, 181353, 215940, 233876, 241804, 292345, 302255, 350814, 362706, 584690, 604510, 701628, 725412, 877035, 906765, 1169380, 1209020, 1754070, 1813530, 3508140, 3566609, 3627060, 7133218, 10699827, 14266436, 17833045, 21399654, 35666090, 42799308, 53499135, 71332180, 106998270, 213996540]

約数ペア:

[(1, 213996540), (2, 106998270), (3, 71332180), (4, 53499135), (5, 42799308), (6, 35666090), (10, 21399654), (12, 17833045), (15, 14266436), (20, 10699827), (30, 7133218), (59, 3627060), (60, 3566609), (61, 3508140), (118, 1813530), (122, 1754070), (177, 1209020), (183, 1169380), (236, 906765), (244, 877035), (295, 725412), (305, 701628), (354, 604510), (366, 584690), (590, 362706), (610, 350814), (708, 302255), (732, 292345), (885, 241804), (915, 233876), (991, 215940), (1180, 181353), (1220, 175407), (1770, 120902), (1830, 116938), (1982, 107970), (2973, 71980), (3540, 60451), (3599, 59460), (3660, 58469), (3964, 53985), (4955, 43188), (5946, 35990), (7198, 29730), (9910, 21594), (10797, 19820), (11892, 17995), (14396, 14865)]