660457480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 192

約数和(自身を含む): 1732953600

約数和(自身を除く): 1072496120

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 85, 95, 97, 124, 136, 152, 155, 170, 190, 194, 248, 289, 310, 323, 340, 380, 388, 485, 527, 578, 589, 620, 646, 680, 760, 776, 970, 1054, 1156, 1178, 1240, 1292, 1445, 1615, 1649, 1843, 1940, 2108, 2312, 2356, 2584, 2635, 2890, 2945, 3007, 3230, 3298, 3686, 3880, 4216, 4712, 5270, 5491, 5780, 5890, 6014, 6460, 6596, 7372, 8245, 8959, 9215, 10013, 10540, 10982, 11560, 11780, 12028, 12920, 13192, 14744, 15035, 16490, 17918, 18430, 20026, 21080, 21964, 23560, 24056, 27455, 28033, 30070, 31331, 32980, 35836, 36860, 40052, 43928, 44795, 50065, 51119, 54910, 56066, 57133, 60140, 62662, 65960, 71672, 73720, 80104, 89590, 100130, 102238, 109820, 112132, 114266, 120280, 125324, 140165, 156655, 170221, 179180, 200260, 204476, 219640, 224264, 228532, 250648, 255595, 280330, 285665, 313310, 340442, 358360, 400520, 408952, 457064, 511190, 532627, 560660, 571330, 626620, 680884, 851105, 869023, 971261, 1022380, 1065254, 1121320, 1142660, 1253240, 1361768, 1702210, 1738046, 1942522, 2044760, 2130508, 2285320, 2663135, 3404420, 3476092, 3885044, 4261016, 4345115, 4856305, 5326270, 6808840, 6952184, 7770088, 8690230, 9712610, 10652540, 16511437, 17380460, 19425220, 21305080, 33022874, 34760920, 38850440, 66045748, 82557185, 132091496, 165114370, 330228740, 660457480]

約数ペア:

[(1, 660457480), (2, 330228740), (4, 165114370), (5, 132091496), (8, 82557185), (10, 66045748), (17, 38850440), (19, 34760920), (20, 33022874), (31, 21305080), (34, 19425220), (38, 17380460), (40, 16511437), (62, 10652540), (68, 9712610), (76, 8690230), (85, 7770088), (95, 6952184), (97, 6808840), (124, 5326270), (136, 4856305), (152, 4345115), (155, 4261016), (170, 3885044), (190, 3476092), (194, 3404420), (248, 2663135), (289, 2285320), (310, 2130508), (323, 2044760), (340, 1942522), (380, 1738046), (388, 1702210), (485, 1361768), (527, 1253240), (578, 1142660), (589, 1121320), (620, 1065254), (646, 1022380), (680, 971261), (760, 869023), (776, 851105), (970, 680884), (1054, 626620), (1156, 571330), (1178, 560660), (1240, 532627), (1292, 511190), (1445, 457064), (1615, 408952), (1649, 400520), (1843, 358360), (1940, 340442), (2108, 313310), (2312, 285665), (2356, 280330), (2584, 255595), (2635, 250648), (2890, 228532), (2945, 224264), (3007, 219640), (3230, 204476), (3298, 200260), (3686, 179180), (3880, 170221), (4216, 156655), (4712, 140165), (5270, 125324), (5491, 120280), (5780, 114266), (5890, 112132), (6014, 109820), (6460, 102238), (6596, 100130), (7372, 89590), (8245, 80104), (8959, 73720), (9215, 71672), (10013, 65960), (10540, 62662), (10982, 60140), (11560, 57133), (11780, 56066), (12028, 54910), (12920, 51119), (13192, 50065), (14744, 44795), (15035, 43928), (16490, 40052), (17918, 36860), (18430, 35836), (20026, 32980), (21080, 31331), (21964, 30070), (23560, 28033), (24056, 27455)]