215748540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2063}}^1$

素因数の和:2168

約数の個数: 144

約数和(自身を含む): 757306368

約数和(自身を除く): 541557828

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 830, 996, 1162, 1245, 1260, 1494, 1660, 1743, 2063, 2324, 2490, 2905, 2988, 3486, 3735, 4126, 4980, 5229, 5810, 6189, 6972, 7470, 8252, 8715, 10315, 10458, 11620, 12378, 14441, 14940, 17430, 18567, 20630, 20916, 24756, 26145, 28882, 30945, 34860, 37134, 41260, 43323, 52290, 57764, 61890, 72205, 74268, 86646, 92835, 104580, 123780, 129969, 144410, 171229, 173292, 185670, 216615, 259938, 288820, 342458, 371340, 433230, 513687, 519876, 649845, 684916, 856145, 866460, 1027374, 1198603, 1299690, 1541061, 1712290, 2054748, 2397206, 2568435, 2599380, 3082122, 3424580, 3595809, 4794412, 5136870, 5993015, 6164244, 7191618, 7705305, 10273740, 10787427, 11986030, 14383236, 15410610, 17979045, 21574854, 23972060, 30821220, 35958090, 43149708, 53937135, 71916180, 107874270, 215748540]

約数ペア:

[(1, 215748540), (2, 107874270), (3, 71916180), (4, 53937135), (5, 43149708), (6, 35958090), (7, 30821220), (9, 23972060), (10, 21574854), (12, 17979045), (14, 15410610), (15, 14383236), (18, 11986030), (20, 10787427), (21, 10273740), (28, 7705305), (30, 7191618), (35, 6164244), (36, 5993015), (42, 5136870), (45, 4794412), (60, 3595809), (63, 3424580), (70, 3082122), (83, 2599380), (84, 2568435), (90, 2397206), (105, 2054748), (126, 1712290), (140, 1541061), (166, 1299690), (180, 1198603), (210, 1027374), (249, 866460), (252, 856145), (315, 684916), (332, 649845), (415, 519876), (420, 513687), (498, 433230), (581, 371340), (630, 342458), (747, 288820), (830, 259938), (996, 216615), (1162, 185670), (1245, 173292), (1260, 171229), (1494, 144410), (1660, 129969), (1743, 123780), (2063, 104580), (2324, 92835), (2490, 86646), (2905, 74268), (2988, 72205), (3486, 61890), (3735, 57764), (4126, 52290), (4980, 43323), (5229, 41260), (5810, 37134), (6189, 34860), (6972, 30945), (7470, 28882), (8252, 26145), (8715, 24756), (10315, 20916), (10458, 20630), (11620, 18567), (12378, 17430), (14441, 14940)]