216710460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:664

約数の個数: 144

約数和(自身を含む): 689375232

約数和(自身を除く): 472664772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 71, 90, 93, 124, 142, 155, 180, 186, 213, 279, 284, 310, 355, 372, 426, 465, 547, 558, 620, 639, 710, 852, 930, 1065, 1094, 1116, 1278, 1395, 1420, 1641, 1860, 2130, 2188, 2201, 2556, 2735, 2790, 3195, 3282, 4260, 4402, 4923, 5470, 5580, 6390, 6564, 6603, 8205, 8804, 9846, 10940, 11005, 12780, 13206, 16410, 16957, 19692, 19809, 22010, 24615, 26412, 32820, 33015, 33914, 38837, 39618, 44020, 49230, 50871, 66030, 67828, 77674, 79236, 84785, 98460, 99045, 101742, 116511, 132060, 152613, 155348, 169570, 194185, 198090, 203484, 233022, 254355, 305226, 339140, 349533, 388370, 396180, 466044, 508710, 582555, 610452, 699066, 763065, 776740, 1017420, 1165110, 1203947, 1398132, 1526130, 1747665, 2330220, 2407894, 3052260, 3495330, 3611841, 4815788, 6019735, 6990660, 7223682, 10835523, 12039470, 14447364, 18059205, 21671046, 24078940, 36118410, 43342092, 54177615, 72236820, 108355230, 216710460]

約数ペア:

[(1, 216710460), (2, 108355230), (3, 72236820), (4, 54177615), (5, 43342092), (6, 36118410), (9, 24078940), (10, 21671046), (12, 18059205), (15, 14447364), (18, 12039470), (20, 10835523), (30, 7223682), (31, 6990660), (36, 6019735), (45, 4815788), (60, 3611841), (62, 3495330), (71, 3052260), (90, 2407894), (93, 2330220), (124, 1747665), (142, 1526130), (155, 1398132), (180, 1203947), (186, 1165110), (213, 1017420), (279, 776740), (284, 763065), (310, 699066), (355, 610452), (372, 582555), (426, 508710), (465, 466044), (547, 396180), (558, 388370), (620, 349533), (639, 339140), (710, 305226), (852, 254355), (930, 233022), (1065, 203484), (1094, 198090), (1116, 194185), (1278, 169570), (1395, 155348), (1420, 152613), (1641, 132060), (1860, 116511), (2130, 101742), (2188, 99045), (2201, 98460), (2556, 84785), (2735, 79236), (2790, 77674), (3195, 67828), (3282, 66030), (4260, 50871), (4402, 49230), (4923, 44020), (5470, 39618), (5580, 38837), (6390, 33914), (6564, 33015), (6603, 32820), (8205, 26412), (8804, 24615), (9846, 22010), (10940, 19809), (11005, 19692), (12780, 16957), (13206, 16410)]