291432240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1248

約数の個数: 240

約数和(自身を含む): 1103072256

約数和(自身を除く): 811640016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 99, 110, 120, 124, 132, 144, 155, 165, 176, 180, 186, 198, 220, 240, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 496, 528, 558, 620, 660, 682, 720, 744, 792, 880, 930, 990, 1023, 1116, 1187, 1240, 1320, 1364, 1395, 1488, 1584, 1705, 1860, 1980, 2046, 2232, 2374, 2480, 2640, 2728, 2790, 3069, 3410, 3561, 3720, 3960, 4092, 4464, 4748, 5115, 5456, 5580, 5935, 6138, 6820, 7122, 7440, 7920, 8184, 9496, 10230, 10683, 11160, 11870, 12276, 13057, 13640, 14244, 15345, 16368, 17805, 18992, 20460, 21366, 22320, 23740, 24552, 26114, 27280, 28488, 30690, 35610, 36797, 39171, 40920, 42732, 47480, 49104, 52228, 53415, 56976, 61380, 65285, 71220, 73594, 78342, 81840, 85464, 94960, 104456, 106830, 110391, 117513, 122760, 130570, 142440, 147188, 156684, 170928, 183985, 195855, 208912, 213660, 220782, 235026, 245520, 261140, 284880, 294376, 313368, 331173, 367970, 391710, 404767, 427320, 441564, 470052, 522280, 551955, 587565, 588752, 626736, 662346, 735940, 783420, 809534, 854640, 883128, 940104, 1044560, 1103910, 1175130, 1214301, 1324692, 1471880, 1566840, 1619068, 1655865, 1766256, 1880208, 2023835, 2207820, 2350260, 2428602, 2649384, 2943760, 3133680, 3238136, 3311730, 3642903, 4047670, 4415640, 4700520, 4857204, 5298768, 6071505, 6476272, 6623460, 7285806, 8095340, 8831280, 9401040, 9714408, 12143010, 13246920, 14571612, 16190680, 18214515, 19428816, 24286020, 26493840, 29143224, 32381360, 36429030, 48572040, 58286448, 72858060, 97144080, 145716120, 291432240]

約数ペア:

[(1, 291432240), (2, 145716120), (3, 97144080), (4, 72858060), (5, 58286448), (6, 48572040), (8, 36429030), (9, 32381360), (10, 29143224), (11, 26493840), (12, 24286020), (15, 19428816), (16, 18214515), (18, 16190680), (20, 14571612), (22, 13246920), (24, 12143010), (30, 9714408), (31, 9401040), (33, 8831280), (36, 8095340), (40, 7285806), (44, 6623460), (45, 6476272), (48, 6071505), (55, 5298768), (60, 4857204), (62, 4700520), (66, 4415640), (72, 4047670), (80, 3642903), (88, 3311730), (90, 3238136), (93, 3133680), (99, 2943760), (110, 2649384), (120, 2428602), (124, 2350260), (132, 2207820), (144, 2023835), (155, 1880208), (165, 1766256), (176, 1655865), (180, 1619068), (186, 1566840), (198, 1471880), (220, 1324692), (240, 1214301), (248, 1175130), (264, 1103910), (279, 1044560), (310, 940104), (330, 883128), (341, 854640), (360, 809534), (372, 783420), (396, 735940), (440, 662346), (465, 626736), (495, 588752), (496, 587565), (528, 551955), (558, 522280), (620, 470052), (660, 441564), (682, 427320), (720, 404767), (744, 391710), (792, 367970), (880, 331173), (930, 313368), (990, 294376), (1023, 284880), (1116, 261140), (1187, 245520), (1240, 235026), (1320, 220782), (1364, 213660), (1395, 208912), (1488, 195855), (1584, 183985), (1705, 170928), (1860, 156684), (1980, 147188), (2046, 142440), (2232, 130570), (2374, 122760), (2480, 117513), (2640, 110391), (2728, 106830), (2790, 104456), (3069, 94960), (3410, 85464), (3561, 81840), (3720, 78342), (3960, 73594), (4092, 71220), (4464, 65285), (4748, 61380), (5115, 56976), (5456, 53415), (5580, 52228), (5935, 49104), (6138, 47480), (6820, 42732), (7122, 40920), (7440, 39171), (7920, 36797), (8184, 35610), (9496, 30690), (10230, 28488), (10683, 27280), (11160, 26114), (11870, 24552), (12276, 23740), (13057, 22320), (13640, 21366), (14244, 20460), (15345, 18992), (16368, 17805)]