647437920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{70991}}^1$

素因数の和:71028

約数の個数: 96

約数和(自身を含む): 2146798080

約数和(自身を除く): 1499360160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 3040, 4560, 9120, 70991, 141982, 212973, 283964, 354955, 425946, 567928, 709910, 851892, 1064865, 1135856, 1348829, 1419820, 1703784, 2129730, 2271712, 2697658, 2839640, 3407568, 4046487, 4259460, 5395316, 5679280, 6744145, 6815136, 8092974, 8518920, 10790632, 11358560, 13488290, 16185948, 17037840, 20232435, 21581264, 26976580, 32371896, 34075680, 40464870, 43162528, 53953160, 64743792, 80929740, 107906320, 129487584, 161859480, 215812640, 323718960, 647437920]

約数ペア:

[(1, 647437920), (2, 323718960), (3, 215812640), (4, 161859480), (5, 129487584), (6, 107906320), (8, 80929740), (10, 64743792), (12, 53953160), (15, 43162528), (16, 40464870), (19, 34075680), (20, 32371896), (24, 26976580), (30, 21581264), (32, 20232435), (38, 17037840), (40, 16185948), (48, 13488290), (57, 11358560), (60, 10790632), (76, 8518920), (80, 8092974), (95, 6815136), (96, 6744145), (114, 5679280), (120, 5395316), (152, 4259460), (160, 4046487), (190, 3407568), (228, 2839640), (240, 2697658), (285, 2271712), (304, 2129730), (380, 1703784), (456, 1419820), (480, 1348829), (570, 1135856), (608, 1064865), (760, 851892), (912, 709910), (1140, 567928), (1520, 425946), (1824, 354955), (2280, 283964), (3040, 212973), (4560, 141982), (9120, 70991)]