15553580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 38782800

約数和(自身を除く): 23229220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 269, 295, 413, 490, 538, 590, 826, 980, 1076, 1180, 1345, 1652, 1883, 2065, 2690, 2891, 3766, 4130, 5380, 5782, 7532, 8260, 9415, 11564, 13181, 14455, 15871, 18830, 26362, 28910, 31742, 37660, 52724, 57820, 63484, 65905, 79355, 111097, 131810, 158710, 222194, 263620, 317420, 444388, 555485, 777679, 1110970, 1555358, 2221940, 3110716, 3888395, 7776790, 15553580]

約数ペア:

[(1, 15553580), (2, 7776790), (4, 3888395), (5, 3110716), (7, 2221940), (10, 1555358), (14, 1110970), (20, 777679), (28, 555485), (35, 444388), (49, 317420), (59, 263620), (70, 222194), (98, 158710), (118, 131810), (140, 111097), (196, 79355), (236, 65905), (245, 63484), (269, 57820), (295, 52724), (413, 37660), (490, 31742), (538, 28910), (590, 26362), (826, 18830), (980, 15871), (1076, 14455), (1180, 13181), (1345, 11564), (1652, 9415), (1883, 8260), (2065, 7532), (2690, 5782), (2891, 5380), (3766, 4130)]