619117740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{613}}^1$

素因数の和:840

約数の個数: 144

約数和(自身を含む): 1952461056

約数和(自身を除く): 1333343316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 181, 186, 279, 310, 362, 372, 465, 543, 558, 613, 620, 724, 905, 930, 1086, 1116, 1226, 1395, 1629, 1810, 1839, 1860, 2172, 2452, 2715, 2790, 3065, 3258, 3620, 3678, 5430, 5517, 5580, 5611, 6130, 6516, 7356, 8145, 9195, 10860, 11034, 11222, 12260, 16290, 16833, 18390, 19003, 22068, 22444, 27585, 28055, 32580, 33666, 36780, 38006, 50499, 55170, 56110, 57009, 67332, 76012, 84165, 95015, 100998, 110340, 110953, 112220, 114018, 168330, 171027, 190030, 201996, 221906, 228036, 252495, 285045, 332859, 336660, 342054, 380060, 443812, 504990, 554765, 570090, 665718, 684108, 855135, 998577, 1009980, 1109530, 1140180, 1331436, 1664295, 1710270, 1997154, 2219060, 3328590, 3420540, 3439543, 3994308, 4992885, 6657180, 6879086, 9985770, 10318629, 13758172, 17197715, 19971540, 20637258, 30955887, 34395430, 41274516, 51593145, 61911774, 68790860, 103186290, 123823548, 154779435, 206372580, 309558870, 619117740]

約数ペア:

[(1, 619117740), (2, 309558870), (3, 206372580), (4, 154779435), (5, 123823548), (6, 103186290), (9, 68790860), (10, 61911774), (12, 51593145), (15, 41274516), (18, 34395430), (20, 30955887), (30, 20637258), (31, 19971540), (36, 17197715), (45, 13758172), (60, 10318629), (62, 9985770), (90, 6879086), (93, 6657180), (124, 4992885), (155, 3994308), (180, 3439543), (181, 3420540), (186, 3328590), (279, 2219060), (310, 1997154), (362, 1710270), (372, 1664295), (465, 1331436), (543, 1140180), (558, 1109530), (613, 1009980), (620, 998577), (724, 855135), (905, 684108), (930, 665718), (1086, 570090), (1116, 554765), (1226, 504990), (1395, 443812), (1629, 380060), (1810, 342054), (1839, 336660), (1860, 332859), (2172, 285045), (2452, 252495), (2715, 228036), (2790, 221906), (3065, 201996), (3258, 190030), (3620, 171027), (3678, 168330), (5430, 114018), (5517, 112220), (5580, 110953), (5611, 110340), (6130, 100998), (6516, 95015), (7356, 84165), (8145, 76012), (9195, 67332), (10860, 57009), (11034, 56110), (11222, 55170), (12260, 50499), (16290, 38006), (16833, 36780), (18390, 33666), (19003, 32580), (22068, 28055), (22444, 27585)]