136439680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 192

約数和(自身を含む): 379048320

約数和(自身を除く): 242608640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 32, 40, 46, 52, 62, 64, 65, 80, 92, 104, 115, 124, 128, 130, 155, 160, 184, 208, 230, 248, 260, 299, 310, 320, 368, 403, 416, 460, 496, 520, 529, 598, 620, 640, 713, 736, 806, 832, 920, 992, 1040, 1058, 1196, 1240, 1426, 1472, 1495, 1612, 1664, 1840, 1984, 2015, 2080, 2116, 2392, 2480, 2645, 2852, 2944, 2990, 3224, 3565, 3680, 3968, 4030, 4160, 4232, 4784, 4960, 5290, 5704, 5980, 6448, 6877, 7130, 7360, 8060, 8320, 8464, 9269, 9568, 9920, 10580, 11408, 11960, 12896, 13754, 14260, 14720, 16120, 16399, 16928, 18538, 19136, 19840, 21160, 22816, 23920, 25792, 27508, 28520, 32240, 32798, 33856, 34385, 37076, 38272, 42320, 45632, 46345, 47840, 51584, 55016, 57040, 64480, 65596, 67712, 68770, 74152, 81995, 84640, 91264, 92690, 95680, 110032, 114080, 128960, 131192, 137540, 148304, 163990, 169280, 185380, 191360, 213187, 220064, 228160, 257920, 262384, 275080, 296608, 327980, 338560, 370760, 426374, 440128, 456320, 524768, 550160, 593216, 655960, 741520, 852748, 880256, 1049536, 1065935, 1100320, 1186432, 1311920, 1483040, 1705496, 2099072, 2131870, 2200640, 2623840, 2966080, 3410992, 4263740, 4401280, 5247680, 5932160, 6821984, 8527480, 10495360, 13643968, 17054960, 27287936, 34109920, 68219840, 136439680]

約数ペア:

[(1, 136439680), (2, 68219840), (4, 34109920), (5, 27287936), (8, 17054960), (10, 13643968), (13, 10495360), (16, 8527480), (20, 6821984), (23, 5932160), (26, 5247680), (31, 4401280), (32, 4263740), (40, 3410992), (46, 2966080), (52, 2623840), (62, 2200640), (64, 2131870), (65, 2099072), (80, 1705496), (92, 1483040), (104, 1311920), (115, 1186432), (124, 1100320), (128, 1065935), (130, 1049536), (155, 880256), (160, 852748), (184, 741520), (208, 655960), (230, 593216), (248, 550160), (260, 524768), (299, 456320), (310, 440128), (320, 426374), (368, 370760), (403, 338560), (416, 327980), (460, 296608), (496, 275080), (520, 262384), (529, 257920), (598, 228160), (620, 220064), (640, 213187), (713, 191360), (736, 185380), (806, 169280), (832, 163990), (920, 148304), (992, 137540), (1040, 131192), (1058, 128960), (1196, 114080), (1240, 110032), (1426, 95680), (1472, 92690), (1495, 91264), (1612, 84640), (1664, 81995), (1840, 74152), (1984, 68770), (2015, 67712), (2080, 65596), (2116, 64480), (2392, 57040), (2480, 55016), (2645, 51584), (2852, 47840), (2944, 46345), (2990, 45632), (3224, 42320), (3565, 38272), (3680, 37076), (3968, 34385), (4030, 33856), (4160, 32798), (4232, 32240), (4784, 28520), (4960, 27508), (5290, 25792), (5704, 23920), (5980, 22816), (6448, 21160), (6877, 19840), (7130, 19136), (7360, 18538), (8060, 16928), (8320, 16399), (8464, 16120), (9269, 14720), (9568, 14260), (9920, 13754), (10580, 12896), (11408, 11960)]