215820540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:796

約数の個数: 144

約数和(自身を含む): 710892000

約数和(自身を除く): 495071460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 149, 156, 180, 195, 234, 260, 298, 390, 447, 468, 585, 596, 619, 745, 780, 894, 1170, 1238, 1341, 1490, 1788, 1857, 1937, 2235, 2340, 2476, 2682, 2980, 3095, 3714, 3874, 4470, 5364, 5571, 5811, 6190, 6705, 7428, 7748, 8047, 8940, 9285, 9685, 11142, 11622, 12380, 13410, 16094, 17433, 18570, 19370, 22284, 23244, 24141, 26820, 27855, 29055, 32188, 34866, 37140, 38740, 40235, 48282, 55710, 58110, 69732, 72423, 80470, 87165, 92231, 96564, 111420, 116220, 120705, 144846, 160940, 174330, 184462, 241410, 276693, 289692, 348660, 362115, 368924, 461155, 482820, 553386, 724230, 830079, 922310, 1106772, 1199003, 1383465, 1448460, 1660158, 1844620, 2398006, 2766930, 3320316, 3597009, 4150395, 4796012, 5533860, 5995015, 7194018, 8300790, 10791027, 11990030, 14388036, 16601580, 17985045, 21582054, 23980060, 35970090, 43164108, 53955135, 71940180, 107910270, 215820540]

約数ペア:

[(1, 215820540), (2, 107910270), (3, 71940180), (4, 53955135), (5, 43164108), (6, 35970090), (9, 23980060), (10, 21582054), (12, 17985045), (13, 16601580), (15, 14388036), (18, 11990030), (20, 10791027), (26, 8300790), (30, 7194018), (36, 5995015), (39, 5533860), (45, 4796012), (52, 4150395), (60, 3597009), (65, 3320316), (78, 2766930), (90, 2398006), (117, 1844620), (130, 1660158), (149, 1448460), (156, 1383465), (180, 1199003), (195, 1106772), (234, 922310), (260, 830079), (298, 724230), (390, 553386), (447, 482820), (468, 461155), (585, 368924), (596, 362115), (619, 348660), (745, 289692), (780, 276693), (894, 241410), (1170, 184462), (1238, 174330), (1341, 160940), (1490, 144846), (1788, 120705), (1857, 116220), (1937, 111420), (2235, 96564), (2340, 92231), (2476, 87165), (2682, 80470), (2980, 72423), (3095, 69732), (3714, 58110), (3874, 55710), (4470, 48282), (5364, 40235), (5571, 38740), (5811, 37140), (6190, 34866), (6705, 32188), (7428, 29055), (7748, 27855), (8047, 26820), (8940, 24141), (9285, 23244), (9685, 22284), (11142, 19370), (11622, 18570), (12380, 17433), (13410, 16094)]