1557730720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1289}}^1$

素因数の和:1407

約数の個数: 192

約数和(自身を含む): 4587528960

約数和(自身を除く): 3029798240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 83, 91, 104, 112, 130, 140, 160, 166, 182, 208, 224, 260, 280, 332, 364, 415, 416, 455, 520, 560, 581, 664, 728, 830, 910, 1040, 1079, 1120, 1162, 1289, 1328, 1456, 1660, 1820, 2080, 2158, 2324, 2578, 2656, 2905, 2912, 3320, 3640, 4316, 4648, 5156, 5395, 5810, 6445, 6640, 7280, 7553, 8632, 9023, 9296, 10312, 10790, 11620, 12890, 13280, 14560, 15106, 16757, 17264, 18046, 18592, 20624, 21580, 23240, 25780, 30212, 33514, 34528, 36092, 37765, 41248, 43160, 45115, 46480, 51560, 60424, 67028, 72184, 75530, 83785, 86320, 90230, 92960, 103120, 106987, 117299, 120848, 134056, 144368, 151060, 167570, 172640, 180460, 206240, 213974, 234598, 241696, 268112, 288736, 302120, 335140, 360920, 427948, 469196, 534935, 536224, 586495, 604240, 670280, 721840, 748909, 855896, 938392, 1069870, 1172990, 1208480, 1340560, 1390831, 1443680, 1497818, 1711792, 1876784, 2139740, 2345980, 2681120, 2781662, 2995636, 3423584, 3744545, 3753568, 4279480, 4691960, 5563324, 5991272, 6954155, 7489090, 8558960, 9383920, 9735817, 11126648, 11982544, 13908310, 14978180, 17117920, 18767840, 19471634, 22253296, 23965088, 27816620, 29956360, 38943268, 44506592, 48679085, 55633240, 59912720, 77886536, 97358170, 111266480, 119825440, 155773072, 194716340, 222532960, 311546144, 389432680, 778865360, 1557730720]

約数ペア:

[(1, 1557730720), (2, 778865360), (4, 389432680), (5, 311546144), (7, 222532960), (8, 194716340), (10, 155773072), (13, 119825440), (14, 111266480), (16, 97358170), (20, 77886536), (26, 59912720), (28, 55633240), (32, 48679085), (35, 44506592), (40, 38943268), (52, 29956360), (56, 27816620), (65, 23965088), (70, 22253296), (80, 19471634), (83, 18767840), (91, 17117920), (104, 14978180), (112, 13908310), (130, 11982544), (140, 11126648), (160, 9735817), (166, 9383920), (182, 8558960), (208, 7489090), (224, 6954155), (260, 5991272), (280, 5563324), (332, 4691960), (364, 4279480), (415, 3753568), (416, 3744545), (455, 3423584), (520, 2995636), (560, 2781662), (581, 2681120), (664, 2345980), (728, 2139740), (830, 1876784), (910, 1711792), (1040, 1497818), (1079, 1443680), (1120, 1390831), (1162, 1340560), (1289, 1208480), (1328, 1172990), (1456, 1069870), (1660, 938392), (1820, 855896), (2080, 748909), (2158, 721840), (2324, 670280), (2578, 604240), (2656, 586495), (2905, 536224), (2912, 534935), (3320, 469196), (3640, 427948), (4316, 360920), (4648, 335140), (5156, 302120), (5395, 288736), (5810, 268112), (6445, 241696), (6640, 234598), (7280, 213974), (7553, 206240), (8632, 180460), (9023, 172640), (9296, 167570), (10312, 151060), (10790, 144368), (11620, 134056), (12890, 120848), (13280, 117299), (14560, 106987), (15106, 103120), (16757, 92960), (17264, 90230), (18046, 86320), (18592, 83785), (20624, 75530), (21580, 72184), (23240, 67028), (25780, 60424), (30212, 51560), (33514, 46480), (34528, 45115), (36092, 43160), (37765, 41248)]