15672522440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1151}}^1$

素因数の和:1411

約数の個数: 128

約数和(自身を含む): 37158912000

約数和(自身を除く): 21486389560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 139, 155, 158, 248, 278, 310, 316, 395, 556, 620, 632, 695, 790, 1112, 1151, 1240, 1390, 1580, 2302, 2449, 2780, 3160, 4309, 4604, 4898, 5560, 5755, 8618, 9208, 9796, 10981, 11510, 12245, 17236, 19592, 21545, 21962, 23020, 24490, 34472, 35681, 43090, 43924, 46040, 48980, 54905, 71362, 86180, 87848, 90929, 97960, 109810, 142724, 159989, 172360, 178405, 181858, 219620, 285448, 319978, 340411, 356810, 363716, 439240, 454645, 639956, 680822, 713620, 727432, 799945, 909290, 1279912, 1361644, 1427240, 1599890, 1702055, 1818580, 2723288, 2818799, 3199780, 3404110, 3637160, 4959659, 5637598, 6399560, 6808220, 9919318, 11275196, 12639131, 13616440, 14093995, 19838636, 22550392, 24798295, 25278262, 28187990, 39677272, 49596590, 50556524, 56375980, 63195655, 99193180, 101113048, 112751960, 126391310, 198386360, 252782620, 391813061, 505565240, 783626122, 1567252244, 1959065305, 3134504488, 3918130610, 7836261220, 15672522440]

約数ペア:

[(1, 15672522440), (2, 7836261220), (4, 3918130610), (5, 3134504488), (8, 1959065305), (10, 1567252244), (20, 783626122), (31, 505565240), (40, 391813061), (62, 252782620), (79, 198386360), (124, 126391310), (139, 112751960), (155, 101113048), (158, 99193180), (248, 63195655), (278, 56375980), (310, 50556524), (316, 49596590), (395, 39677272), (556, 28187990), (620, 25278262), (632, 24798295), (695, 22550392), (790, 19838636), (1112, 14093995), (1151, 13616440), (1240, 12639131), (1390, 11275196), (1580, 9919318), (2302, 6808220), (2449, 6399560), (2780, 5637598), (3160, 4959659), (4309, 3637160), (4604, 3404110), (4898, 3199780), (5560, 2818799), (5755, 2723288), (8618, 1818580), (9208, 1702055), (9796, 1599890), (10981, 1427240), (11510, 1361644), (12245, 1279912), (17236, 909290), (19592, 799945), (21545, 727432), (21962, 713620), (23020, 680822), (24490, 639956), (34472, 454645), (35681, 439240), (43090, 363716), (43924, 356810), (46040, 340411), (48980, 319978), (54905, 285448), (71362, 219620), (86180, 181858), (87848, 178405), (90929, 172360), (97960, 159989), (109810, 142724)]