397166640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127297}}^1$

素因数の和:127326

約数の個数: 80

約数和(自身を含む): 1325935968

約数和(自身を除く): 928769328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 127297, 254594, 381891, 509188, 636485, 763782, 1018376, 1272970, 1527564, 1654861, 1909455, 2036752, 2545940, 3055128, 3309722, 3818910, 4964583, 5091880, 6110256, 6619444, 7637820, 8274305, 9929166, 10183760, 13238888, 15275640, 16548610, 19858332, 24822915, 26477776, 30551280, 33097220, 39716664, 49645830, 66194440, 79433328, 99291660, 132388880, 198583320, 397166640]

約数ペア:

[(1, 397166640), (2, 198583320), (3, 132388880), (4, 99291660), (5, 79433328), (6, 66194440), (8, 49645830), (10, 39716664), (12, 33097220), (13, 30551280), (15, 26477776), (16, 24822915), (20, 19858332), (24, 16548610), (26, 15275640), (30, 13238888), (39, 10183760), (40, 9929166), (48, 8274305), (52, 7637820), (60, 6619444), (65, 6110256), (78, 5091880), (80, 4964583), (104, 3818910), (120, 3309722), (130, 3055128), (156, 2545940), (195, 2036752), (208, 1909455), (240, 1654861), (260, 1527564), (312, 1272970), (390, 1018376), (520, 763782), (624, 636485), (780, 509188), (1040, 381891), (1560, 254594), (3120, 127297)]