1323645440

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1350

約数の個数: 160

約数和(自身を含む): 3530774016

約数和(自身を除く): 2207128576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1283, 1612, 1664, 1984, 2015, 2080, 2480, 2560, 2566, 3224, 3328, 3968, 4030, 4160, 4960, 5132, 6415, 6448, 6656, 7936, 8060, 8320, 9920, 10264, 12830, 12896, 15872, 16120, 16640, 16679, 19840, 20528, 25660, 25792, 32240, 33280, 33358, 39680, 39773, 41056, 51320, 51584, 64480, 66716, 79360, 79546, 82112, 83395, 102640, 103168, 128960, 133432, 159092, 164224, 166790, 198865, 205280, 206336, 257920, 266864, 318184, 328448, 333580, 397730, 410560, 515840, 517049, 533728, 636368, 656896, 667160, 795460, 821120, 1031680, 1034098, 1067456, 1272736, 1334320, 1590920, 1642240, 2068196, 2134912, 2545472, 2585245, 2668640, 3181840, 3284480, 4136392, 4269824, 5090944, 5170490, 5337280, 6363680, 8272784, 8539648, 10181888, 10340980, 10674560, 12727360, 16545568, 20363776, 20681960, 21349120, 25454720, 33091136, 41363920, 42698240, 50909440, 66182272, 82727840, 101818880, 132364544, 165455680, 264729088, 330911360, 661822720, 1323645440]

約数ペア:

[(1, 1323645440), (2, 661822720), (4, 330911360), (5, 264729088), (8, 165455680), (10, 132364544), (13, 101818880), (16, 82727840), (20, 66182272), (26, 50909440), (31, 42698240), (32, 41363920), (40, 33091136), (52, 25454720), (62, 21349120), (64, 20681960), (65, 20363776), (80, 16545568), (104, 12727360), (124, 10674560), (128, 10340980), (130, 10181888), (155, 8539648), (160, 8272784), (208, 6363680), (248, 5337280), (256, 5170490), (260, 5090944), (310, 4269824), (320, 4136392), (403, 3284480), (416, 3181840), (496, 2668640), (512, 2585245), (520, 2545472), (620, 2134912), (640, 2068196), (806, 1642240), (832, 1590920), (992, 1334320), (1040, 1272736), (1240, 1067456), (1280, 1034098), (1283, 1031680), (1612, 821120), (1664, 795460), (1984, 667160), (2015, 656896), (2080, 636368), (2480, 533728), (2560, 517049), (2566, 515840), (3224, 410560), (3328, 397730), (3968, 333580), (4030, 328448), (4160, 318184), (4960, 266864), (5132, 257920), (6415, 206336), (6448, 205280), (6656, 198865), (7936, 166790), (8060, 164224), (8320, 159092), (9920, 133432), (10264, 128960), (12830, 103168), (12896, 102640), (15872, 83395), (16120, 82112), (16640, 79546), (16679, 79360), (19840, 66716), (20528, 64480), (25660, 51584), (25792, 51320), (32240, 41056), (33280, 39773), (33358, 39680)]