917399520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1095

約数の個数: 240

約数和(自身を含む): 3286549728

約数和(自身を除く): 2369150208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 71, 72, 80, 81, 90, 96, 108, 120, 135, 142, 144, 160, 162, 180, 213, 216, 240, 270, 284, 288, 324, 355, 360, 405, 426, 432, 480, 540, 568, 639, 648, 710, 720, 810, 852, 864, 997, 1065, 1080, 1136, 1278, 1296, 1420, 1440, 1620, 1704, 1917, 1994, 2130, 2160, 2272, 2556, 2592, 2840, 2991, 3195, 3240, 3408, 3834, 3988, 4260, 4320, 4985, 5112, 5680, 5751, 5982, 6390, 6480, 6816, 7668, 7976, 8520, 8973, 9585, 9970, 10224, 11360, 11502, 11964, 12780, 12960, 14955, 15336, 15952, 17040, 17946, 19170, 19940, 20448, 23004, 23928, 25560, 26919, 28755, 29910, 30672, 31904, 34080, 35892, 38340, 39880, 44865, 46008, 47856, 51120, 53838, 57510, 59820, 61344, 70787, 71784, 76680, 79760, 80757, 89730, 92016, 95712, 102240, 107676, 115020, 119640, 134595, 141574, 143568, 153360, 159520, 161514, 179460, 184032, 212361, 215352, 230040, 239280, 269190, 283148, 287136, 306720, 323028, 353935, 358920, 403785, 424722, 430704, 460080, 478560, 538380, 566296, 637083, 646056, 707870, 717840, 807570, 849444, 861408, 920160, 1061805, 1076760, 1132592, 1274166, 1292112, 1415740, 1435680, 1615140, 1698888, 1911249, 2123610, 2153520, 2265184, 2548332, 2584224, 2831480, 3185415, 3230280, 3397776, 3822498, 4247220, 4307040, 5096664, 5662960, 5733747, 6370830, 6460560, 6795552, 7644996, 8494440, 9556245, 10193328, 11325920, 11467494, 12741660, 12921120, 15289992, 16988880, 19112490, 20386656, 22934988, 25483320, 28668735, 30579984, 33977760, 38224980, 45869976, 50966640, 57337470, 61159968, 76449960, 91739952, 101933280, 114674940, 152899920, 183479904, 229349880, 305799840, 458699760, 917399520]

約数ペア:

[(1, 917399520), (2, 458699760), (3, 305799840), (4, 229349880), (5, 183479904), (6, 152899920), (8, 114674940), (9, 101933280), (10, 91739952), (12, 76449960), (15, 61159968), (16, 57337470), (18, 50966640), (20, 45869976), (24, 38224980), (27, 33977760), (30, 30579984), (32, 28668735), (36, 25483320), (40, 22934988), (45, 20386656), (48, 19112490), (54, 16988880), (60, 15289992), (71, 12921120), (72, 12741660), (80, 11467494), (81, 11325920), (90, 10193328), (96, 9556245), (108, 8494440), (120, 7644996), (135, 6795552), (142, 6460560), (144, 6370830), (160, 5733747), (162, 5662960), (180, 5096664), (213, 4307040), (216, 4247220), (240, 3822498), (270, 3397776), (284, 3230280), (288, 3185415), (324, 2831480), (355, 2584224), (360, 2548332), (405, 2265184), (426, 2153520), (432, 2123610), (480, 1911249), (540, 1698888), (568, 1615140), (639, 1435680), (648, 1415740), (710, 1292112), (720, 1274166), (810, 1132592), (852, 1076760), (864, 1061805), (997, 920160), (1065, 861408), (1080, 849444), (1136, 807570), (1278, 717840), (1296, 707870), (1420, 646056), (1440, 637083), (1620, 566296), (1704, 538380), (1917, 478560), (1994, 460080), (2130, 430704), (2160, 424722), (2272, 403785), (2556, 358920), (2592, 353935), (2840, 323028), (2991, 306720), (3195, 287136), (3240, 283148), (3408, 269190), (3834, 239280), (3988, 230040), (4260, 215352), (4320, 212361), (4985, 184032), (5112, 179460), (5680, 161514), (5751, 159520), (5982, 153360), (6390, 143568), (6480, 141574), (6816, 134595), (7668, 119640), (7976, 115020), (8520, 107676), (8973, 102240), (9585, 95712), (9970, 92016), (10224, 89730), (11360, 80757), (11502, 79760), (11964, 76680), (12780, 71784), (12960, 70787), (14955, 61344), (15336, 59820), (15952, 57510), (17040, 53838), (17946, 51120), (19170, 47856), (19940, 46008), (20448, 44865), (23004, 39880), (23928, 38340), (25560, 35892), (26919, 34080), (28755, 31904), (29910, 30672)]