128720370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2269}}^1$

素因数の和:2371

約数の個数: 64

約数和(自身を含む): 324264960

約数和(自身を除く): 195544590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 61, 62, 93, 122, 155, 183, 186, 305, 310, 366, 465, 610, 915, 930, 1830, 1891, 2269, 3782, 4538, 5673, 6807, 9455, 11345, 11346, 13614, 18910, 22690, 28365, 34035, 56730, 68070, 70339, 138409, 140678, 211017, 276818, 351695, 415227, 422034, 692045, 703390, 830454, 1055085, 1384090, 2076135, 2110170, 4152270, 4290679, 8581358, 12872037, 21453395, 25744074, 42906790, 64360185, 128720370]

約数ペア:

[(1, 128720370), (2, 64360185), (3, 42906790), (5, 25744074), (6, 21453395), (10, 12872037), (15, 8581358), (30, 4290679), (31, 4152270), (61, 2110170), (62, 2076135), (93, 1384090), (122, 1055085), (155, 830454), (183, 703390), (186, 692045), (305, 422034), (310, 415227), (366, 351695), (465, 276818), (610, 211017), (915, 140678), (930, 138409), (1830, 70339), (1891, 68070), (2269, 56730), (3782, 34035), (4538, 28365), (5673, 22690), (6807, 18910), (9455, 13614), (11345, 11346)]