31441020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 95764032

約数和(自身を除く): 64323012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 173, 195, 233, 260, 346, 390, 466, 519, 692, 699, 780, 865, 932, 1038, 1165, 1398, 1730, 2076, 2249, 2330, 2595, 2796, 3029, 3460, 3495, 4498, 4660, 5190, 6058, 6747, 6990, 8996, 9087, 10380, 11245, 12116, 13494, 13980, 15145, 18174, 22490, 26988, 30290, 33735, 36348, 40309, 44980, 45435, 60580, 67470, 80618, 90870, 120927, 134940, 161236, 181740, 201545, 241854, 403090, 483708, 524017, 604635, 806180, 1048034, 1209270, 1572051, 2096068, 2418540, 2620085, 3144102, 5240170, 6288204, 7860255, 10480340, 15720510, 31441020]

約数ペア:

[(1, 31441020), (2, 15720510), (3, 10480340), (4, 7860255), (5, 6288204), (6, 5240170), (10, 3144102), (12, 2620085), (13, 2418540), (15, 2096068), (20, 1572051), (26, 1209270), (30, 1048034), (39, 806180), (52, 604635), (60, 524017), (65, 483708), (78, 403090), (130, 241854), (156, 201545), (173, 181740), (195, 161236), (233, 134940), (260, 120927), (346, 90870), (390, 80618), (466, 67470), (519, 60580), (692, 45435), (699, 44980), (780, 40309), (865, 36348), (932, 33735), (1038, 30290), (1165, 26988), (1398, 22490), (1730, 18174), (2076, 15145), (2249, 13980), (2330, 13494), (2595, 12116), (2796, 11245), (3029, 10380), (3460, 9087), (3495, 8996), (4498, 6990), (4660, 6747), (5190, 6058)]