30763780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 70237440

約数和(自身を除く): 39473660

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 59, 62, 116, 118, 124, 145, 155, 236, 290, 295, 310, 580, 590, 620, 841, 899, 1180, 1682, 1711, 1798, 1829, 3364, 3422, 3596, 3658, 4205, 4495, 6844, 7316, 8410, 8555, 8990, 9145, 16820, 17110, 17980, 18290, 26071, 34220, 36580, 49619, 52142, 53041, 99238, 104284, 106082, 130355, 198476, 212164, 248095, 260710, 265205, 496190, 521420, 530410, 992380, 1060820, 1538189, 3076378, 6152756, 7690945, 15381890, 30763780]

約数ペア:

[(1, 30763780), (2, 15381890), (4, 7690945), (5, 6152756), (10, 3076378), (20, 1538189), (29, 1060820), (31, 992380), (58, 530410), (59, 521420), (62, 496190), (116, 265205), (118, 260710), (124, 248095), (145, 212164), (155, 198476), (236, 130355), (290, 106082), (295, 104284), (310, 99238), (580, 53041), (590, 52142), (620, 49619), (841, 36580), (899, 34220), (1180, 26071), (1682, 18290), (1711, 17980), (1798, 17110), (1829, 16820), (3364, 9145), (3422, 8990), (3596, 8555), (3658, 8410), (4205, 7316), (4495, 6844)]