821448540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1550

約数の個数: 240

約数和(自身を含む): 2903814144

約数和(自身を除く): 2082365604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 31, 33, 36, 44, 45, 54, 55, 60, 62, 66, 81, 90, 93, 99, 108, 110, 124, 132, 135, 155, 162, 165, 180, 186, 198, 220, 270, 279, 297, 310, 324, 330, 341, 372, 396, 405, 465, 495, 540, 558, 594, 620, 660, 682, 810, 837, 891, 930, 990, 1023, 1116, 1188, 1364, 1395, 1485, 1487, 1620, 1674, 1705, 1782, 1860, 1980, 2046, 2511, 2790, 2970, 2974, 3069, 3348, 3410, 3564, 4092, 4185, 4455, 4461, 5022, 5115, 5580, 5940, 5948, 6138, 6820, 7435, 8370, 8910, 8922, 9207, 10044, 10230, 12276, 12555, 13383, 14870, 15345, 16357, 16740, 17820, 17844, 18414, 20460, 22305, 25110, 26766, 27621, 29740, 30690, 32714, 36828, 40149, 44610, 46035, 46097, 49071, 50220, 53532, 55242, 61380, 65428, 66915, 80298, 81785, 89220, 92070, 92194, 98142, 110484, 120447, 133830, 138105, 138291, 147213, 160596, 163570, 184140, 184388, 196284, 200745, 230485, 240894, 245355, 267660, 276210, 276582, 294426, 327140, 401490, 414873, 441639, 460970, 481788, 490710, 507067, 552420, 553164, 588852, 602235, 691455, 736065, 802980, 829746, 883278, 921940, 981420, 1014134, 1204470, 1244619, 1324917, 1382910, 1472130, 1521201, 1659492, 1766556, 2028268, 2074365, 2208195, 2408940, 2489238, 2535335, 2649834, 2765820, 2944260, 3042402, 3733857, 4148730, 4416390, 4563603, 4978476, 5070670, 5299668, 6084804, 6223095, 6624585, 7467714, 7606005, 8297460, 8832780, 9127206, 10141340, 12446190, 13249170, 13690809, 14935428, 15212010, 18254412, 18669285, 22818015, 24892380, 26498340, 27381618, 30424020, 37338570, 41072427, 45636030, 54763236, 68454045, 74677140, 82144854, 91272060, 136908090, 164289708, 205362135, 273816180, 410724270, 821448540]

約数ペア:

[(1, 821448540), (2, 410724270), (3, 273816180), (4, 205362135), (5, 164289708), (6, 136908090), (9, 91272060), (10, 82144854), (11, 74677140), (12, 68454045), (15, 54763236), (18, 45636030), (20, 41072427), (22, 37338570), (27, 30424020), (30, 27381618), (31, 26498340), (33, 24892380), (36, 22818015), (44, 18669285), (45, 18254412), (54, 15212010), (55, 14935428), (60, 13690809), (62, 13249170), (66, 12446190), (81, 10141340), (90, 9127206), (93, 8832780), (99, 8297460), (108, 7606005), (110, 7467714), (124, 6624585), (132, 6223095), (135, 6084804), (155, 5299668), (162, 5070670), (165, 4978476), (180, 4563603), (186, 4416390), (198, 4148730), (220, 3733857), (270, 3042402), (279, 2944260), (297, 2765820), (310, 2649834), (324, 2535335), (330, 2489238), (341, 2408940), (372, 2208195), (396, 2074365), (405, 2028268), (465, 1766556), (495, 1659492), (540, 1521201), (558, 1472130), (594, 1382910), (620, 1324917), (660, 1244619), (682, 1204470), (810, 1014134), (837, 981420), (891, 921940), (930, 883278), (990, 829746), (1023, 802980), (1116, 736065), (1188, 691455), (1364, 602235), (1395, 588852), (1485, 553164), (1487, 552420), (1620, 507067), (1674, 490710), (1705, 481788), (1782, 460970), (1860, 441639), (1980, 414873), (2046, 401490), (2511, 327140), (2790, 294426), (2970, 276582), (2974, 276210), (3069, 267660), (3348, 245355), (3410, 240894), (3564, 230485), (4092, 200745), (4185, 196284), (4455, 184388), (4461, 184140), (5022, 163570), (5115, 160596), (5580, 147213), (5940, 138291), (5948, 138105), (6138, 133830), (6820, 120447), (7435, 110484), (8370, 98142), (8910, 92194), (8922, 92070), (9207, 89220), (10044, 81785), (10230, 80298), (12276, 66915), (12555, 65428), (13383, 61380), (14870, 55242), (15345, 53532), (16357, 50220), (16740, 49071), (17820, 46097), (17844, 46035), (18414, 44610), (20460, 40149), (22305, 36828), (25110, 32714), (26766, 30690), (27621, 29740)]