1640147504

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:610

約数の個数: 80

約数和(自身を含む): 3365498880

約数和(自身を除く): 1725351376

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 151, 244, 248, 302, 359, 488, 496, 604, 718, 976, 1208, 1436, 1891, 2416, 2872, 3782, 4681, 5744, 7564, 9211, 9362, 11129, 15128, 18422, 18724, 21899, 22258, 30256, 36844, 37448, 43798, 44516, 54209, 73688, 74896, 87596, 89032, 108418, 147376, 175192, 178064, 216836, 285541, 350384, 433672, 571082, 678869, 867344, 1142164, 1357738, 1680479, 2284328, 2715476, 3306749, 3360958, 4568656, 5430952, 6613498, 6721916, 10861904, 13226996, 13443832, 26453992, 26887664, 52907984, 102509219, 205018438, 410036876, 820073752, 1640147504]

約数ペア:

[(1, 1640147504), (2, 820073752), (4, 410036876), (8, 205018438), (16, 102509219), (31, 52907984), (61, 26887664), (62, 26453992), (122, 13443832), (124, 13226996), (151, 10861904), (244, 6721916), (248, 6613498), (302, 5430952), (359, 4568656), (488, 3360958), (496, 3306749), (604, 2715476), (718, 2284328), (976, 1680479), (1208, 1357738), (1436, 1142164), (1891, 867344), (2416, 678869), (2872, 571082), (3782, 433672), (4681, 350384), (5744, 285541), (7564, 216836), (9211, 178064), (9362, 175192), (11129, 147376), (15128, 108418), (18422, 89032), (18724, 87596), (21899, 74896), (22258, 73688), (30256, 54209), (36844, 44516), (37448, 43798)]