208291140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1583}}^1$

素因数の和:1658

約数の個数: 144

約数和(自身を含む): 684972288

約数和(自身を除く): 476681148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 510, 516, 612, 645, 731, 765, 774, 860, 1020, 1290, 1462, 1530, 1548, 1583, 1935, 2193, 2580, 2924, 3060, 3166, 3655, 3870, 4386, 4749, 6332, 6579, 7310, 7740, 7915, 8772, 9498, 10965, 13158, 14247, 14620, 15830, 18996, 21930, 23745, 26316, 26911, 28494, 31660, 32895, 43860, 47490, 53822, 56988, 65790, 68069, 71235, 80733, 94980, 107644, 131580, 134555, 136138, 142470, 161466, 204207, 242199, 269110, 272276, 284940, 322932, 340345, 403665, 408414, 484398, 538220, 612621, 680690, 807330, 816828, 968796, 1021035, 1157173, 1210995, 1225242, 1361380, 1614660, 2042070, 2314346, 2421990, 2450484, 3063105, 3471519, 4084140, 4628692, 4843980, 5785865, 6126210, 6943038, 10414557, 11571730, 12252420, 13886076, 17357595, 20829114, 23143460, 34715190, 41658228, 52072785, 69430380, 104145570, 208291140]

約数ペア:

[(1, 208291140), (2, 104145570), (3, 69430380), (4, 52072785), (5, 41658228), (6, 34715190), (9, 23143460), (10, 20829114), (12, 17357595), (15, 13886076), (17, 12252420), (18, 11571730), (20, 10414557), (30, 6943038), (34, 6126210), (36, 5785865), (43, 4843980), (45, 4628692), (51, 4084140), (60, 3471519), (68, 3063105), (85, 2450484), (86, 2421990), (90, 2314346), (102, 2042070), (129, 1614660), (153, 1361380), (170, 1225242), (172, 1210995), (180, 1157173), (204, 1021035), (215, 968796), (255, 816828), (258, 807330), (306, 680690), (340, 612621), (387, 538220), (430, 484398), (510, 408414), (516, 403665), (612, 340345), (645, 322932), (731, 284940), (765, 272276), (774, 269110), (860, 242199), (1020, 204207), (1290, 161466), (1462, 142470), (1530, 136138), (1548, 134555), (1583, 131580), (1935, 107644), (2193, 94980), (2580, 80733), (2924, 71235), (3060, 68069), (3166, 65790), (3655, 56988), (3870, 53822), (4386, 47490), (4749, 43860), (6332, 32895), (6579, 31660), (7310, 28494), (7740, 26911), (7915, 26316), (8772, 23745), (9498, 21930), (10965, 18996), (13158, 15830), (14247, 14620)]