72172030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 155566080

約数和(自身を除く): 83394050

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 79, 155, 158, 217, 310, 395, 421, 434, 553, 790, 842, 1085, 1106, 2105, 2170, 2449, 2765, 2947, 4210, 4898, 5530, 5894, 12245, 13051, 14735, 17143, 24490, 26102, 29470, 33259, 34286, 65255, 66518, 85715, 91357, 130510, 166295, 171430, 182714, 232813, 332590, 456785, 465626, 913570, 1031029, 1164065, 2062058, 2328130, 5155145, 7217203, 10310290, 14434406, 36086015, 72172030]

約数ペア:

[(1, 72172030), (2, 36086015), (5, 14434406), (7, 10310290), (10, 7217203), (14, 5155145), (31, 2328130), (35, 2062058), (62, 1164065), (70, 1031029), (79, 913570), (155, 465626), (158, 456785), (217, 332590), (310, 232813), (395, 182714), (421, 171430), (434, 166295), (553, 130510), (790, 91357), (842, 85715), (1085, 66518), (1106, 65255), (2105, 34286), (2170, 33259), (2449, 29470), (2765, 26102), (2947, 24490), (4210, 17143), (4898, 14735), (5530, 13051), (5894, 12245)]