30729560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 72900000

約数和(自身を除く): 42170440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 145, 232, 236, 290, 295, 449, 472, 580, 590, 898, 1160, 1180, 1711, 1796, 2245, 2360, 3422, 3592, 4490, 6844, 8555, 8980, 13021, 13688, 17110, 17960, 26042, 26491, 34220, 52084, 52982, 65105, 68440, 104168, 105964, 130210, 132455, 211928, 260420, 264910, 520840, 529820, 768239, 1059640, 1536478, 3072956, 3841195, 6145912, 7682390, 15364780, 30729560]

約数ペア:

[(1, 30729560), (2, 15364780), (4, 7682390), (5, 6145912), (8, 3841195), (10, 3072956), (20, 1536478), (29, 1059640), (40, 768239), (58, 529820), (59, 520840), (116, 264910), (118, 260420), (145, 211928), (232, 132455), (236, 130210), (290, 105964), (295, 104168), (449, 68440), (472, 65105), (580, 52982), (590, 52084), (898, 34220), (1160, 26491), (1180, 26042), (1711, 17960), (1796, 17110), (2245, 13688), (2360, 13021), (3422, 8980), (3592, 8555), (4490, 6844)]