281664720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:262

約数の個数: 240

約数和(自身を含む): 990509520

約数和(自身を除く): 708844800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 97, 109, 111, 120, 144, 148, 180, 185, 194, 218, 222, 240, 291, 296, 327, 333, 360, 370, 388, 436, 444, 485, 545, 555, 582, 592, 654, 666, 720, 740, 776, 872, 873, 888, 970, 981, 1090, 1110, 1164, 1308, 1332, 1455, 1480, 1552, 1635, 1665, 1744, 1746, 1776, 1940, 1962, 2180, 2220, 2328, 2616, 2664, 2910, 2960, 3270, 3330, 3492, 3589, 3880, 3924, 4033, 4360, 4365, 4440, 4656, 4905, 5232, 5328, 5820, 6540, 6660, 6984, 7178, 7760, 7848, 8066, 8720, 8730, 8880, 9810, 10573, 10767, 11640, 12099, 13080, 13320, 13968, 14356, 15696, 16132, 17460, 17945, 19620, 20165, 21146, 21534, 23280, 24198, 26160, 26640, 28712, 31719, 32264, 32301, 34920, 35890, 36297, 39240, 40330, 42292, 43068, 48396, 52865, 53835, 57424, 60495, 63438, 64528, 64602, 69840, 71780, 72594, 78480, 80660, 84584, 86136, 95157, 96792, 105730, 107670, 120990, 126876, 129204, 143560, 145188, 158595, 161320, 161505, 169168, 172272, 181485, 190314, 193584, 211460, 215340, 241980, 253752, 258408, 287120, 290376, 317190, 322640, 323010, 362970, 380628, 391201, 422920, 430680, 475785, 483960, 507504, 516816, 580752, 634380, 646020, 725940, 761256, 782402, 845840, 861360, 951570, 967920, 1173603, 1268760, 1292040, 1451880, 1522512, 1564804, 1903140, 1956005, 2347206, 2537520, 2584080, 2903760, 3129608, 3520809, 3806280, 3912010, 4694412, 5868015, 6259216, 7041618, 7612560, 7824020, 9388824, 11736030, 14083236, 15648040, 17604045, 18777648, 23472060, 28166472, 31296080, 35208090, 46944120, 56332944, 70416180, 93888240, 140832360, 281664720]

約数ペア:

[(1, 281664720), (2, 140832360), (3, 93888240), (4, 70416180), (5, 56332944), (6, 46944120), (8, 35208090), (9, 31296080), (10, 28166472), (12, 23472060), (15, 18777648), (16, 17604045), (18, 15648040), (20, 14083236), (24, 11736030), (30, 9388824), (36, 7824020), (37, 7612560), (40, 7041618), (45, 6259216), (48, 5868015), (60, 4694412), (72, 3912010), (74, 3806280), (80, 3520809), (90, 3129608), (97, 2903760), (109, 2584080), (111, 2537520), (120, 2347206), (144, 1956005), (148, 1903140), (180, 1564804), (185, 1522512), (194, 1451880), (218, 1292040), (222, 1268760), (240, 1173603), (291, 967920), (296, 951570), (327, 861360), (333, 845840), (360, 782402), (370, 761256), (388, 725940), (436, 646020), (444, 634380), (485, 580752), (545, 516816), (555, 507504), (582, 483960), (592, 475785), (654, 430680), (666, 422920), (720, 391201), (740, 380628), (776, 362970), (872, 323010), (873, 322640), (888, 317190), (970, 290376), (981, 287120), (1090, 258408), (1110, 253752), (1164, 241980), (1308, 215340), (1332, 211460), (1455, 193584), (1480, 190314), (1552, 181485), (1635, 172272), (1665, 169168), (1744, 161505), (1746, 161320), (1776, 158595), (1940, 145188), (1962, 143560), (2180, 129204), (2220, 126876), (2328, 120990), (2616, 107670), (2664, 105730), (2910, 96792), (2960, 95157), (3270, 86136), (3330, 84584), (3492, 80660), (3589, 78480), (3880, 72594), (3924, 71780), (4033, 69840), (4360, 64602), (4365, 64528), (4440, 63438), (4656, 60495), (4905, 57424), (5232, 53835), (5328, 52865), (5820, 48396), (6540, 43068), (6660, 42292), (6984, 40330), (7178, 39240), (7760, 36297), (7848, 35890), (8066, 34920), (8720, 32301), (8730, 32264), (8880, 31719), (9810, 28712), (10573, 26640), (10767, 26160), (11640, 24198), (12099, 23280), (13080, 21534), (13320, 21146), (13968, 20165), (14356, 19620), (15696, 17945), (16132, 17460)]