165455680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1344

約数の個数: 112

約数和(自身を含む): 438326784

約数和(自身を除く): 272871104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1283, 1612, 1984, 2015, 2080, 2480, 2566, 3224, 4030, 4160, 4960, 5132, 6415, 6448, 8060, 9920, 10264, 12830, 12896, 16120, 16679, 20528, 25660, 25792, 32240, 33358, 39773, 41056, 51320, 64480, 66716, 79546, 82112, 83395, 102640, 128960, 133432, 159092, 166790, 198865, 205280, 266864, 318184, 333580, 397730, 410560, 517049, 533728, 636368, 667160, 795460, 1034098, 1067456, 1272736, 1334320, 1590920, 2068196, 2545472, 2585245, 2668640, 3181840, 4136392, 5170490, 5337280, 6363680, 8272784, 10340980, 12727360, 16545568, 20681960, 33091136, 41363920, 82727840, 165455680]

約数ペア:

[(1, 165455680), (2, 82727840), (4, 41363920), (5, 33091136), (8, 20681960), (10, 16545568), (13, 12727360), (16, 10340980), (20, 8272784), (26, 6363680), (31, 5337280), (32, 5170490), (40, 4136392), (52, 3181840), (62, 2668640), (64, 2585245), (65, 2545472), (80, 2068196), (104, 1590920), (124, 1334320), (130, 1272736), (155, 1067456), (160, 1034098), (208, 795460), (248, 667160), (260, 636368), (310, 533728), (320, 517049), (403, 410560), (416, 397730), (496, 333580), (520, 318184), (620, 266864), (806, 205280), (832, 198865), (992, 166790), (1040, 159092), (1240, 133432), (1283, 128960), (1612, 102640), (1984, 83395), (2015, 82112), (2080, 79546), (2480, 66716), (2566, 64480), (3224, 51320), (4030, 41056), (4160, 39773), (4960, 33358), (5132, 32240), (6415, 25792), (6448, 25660), (8060, 20528), (9920, 16679), (10264, 16120), (12830, 12896)]