231446640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:647

約数の個数: 160

約数和(自身を含む): 753451776

約数和(自身を除く): 522005136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 43, 48, 60, 80, 82, 86, 120, 123, 129, 164, 172, 205, 215, 240, 246, 258, 328, 344, 410, 430, 492, 516, 547, 615, 645, 656, 688, 820, 860, 984, 1032, 1094, 1230, 1290, 1640, 1641, 1720, 1763, 1968, 2064, 2188, 2460, 2580, 2735, 3280, 3282, 3440, 3526, 4376, 4920, 5160, 5289, 5470, 6564, 7052, 8205, 8752, 8815, 9840, 10320, 10578, 10940, 13128, 14104, 16410, 17630, 21156, 21880, 22427, 23521, 26256, 26445, 28208, 32820, 35260, 42312, 43760, 44854, 47042, 52890, 65640, 67281, 70520, 70563, 84624, 89708, 94084, 105780, 112135, 117605, 131280, 134562, 141040, 141126, 179416, 188168, 211560, 224270, 235210, 269124, 282252, 336405, 352815, 358832, 376336, 423120, 448540, 470420, 538248, 564504, 672810, 705630, 897080, 940840, 964361, 1076496, 1129008, 1345620, 1411260, 1794160, 1881680, 1928722, 2691240, 2822520, 2893083, 3857444, 4821805, 5382480, 5645040, 5786166, 7714888, 9643610, 11572332, 14465415, 15429776, 19287220, 23144664, 28930830, 38574440, 46289328, 57861660, 77148880, 115723320, 231446640]

約数ペア:

[(1, 231446640), (2, 115723320), (3, 77148880), (4, 57861660), (5, 46289328), (6, 38574440), (8, 28930830), (10, 23144664), (12, 19287220), (15, 15429776), (16, 14465415), (20, 11572332), (24, 9643610), (30, 7714888), (40, 5786166), (41, 5645040), (43, 5382480), (48, 4821805), (60, 3857444), (80, 2893083), (82, 2822520), (86, 2691240), (120, 1928722), (123, 1881680), (129, 1794160), (164, 1411260), (172, 1345620), (205, 1129008), (215, 1076496), (240, 964361), (246, 940840), (258, 897080), (328, 705630), (344, 672810), (410, 564504), (430, 538248), (492, 470420), (516, 448540), (547, 423120), (615, 376336), (645, 358832), (656, 352815), (688, 336405), (820, 282252), (860, 269124), (984, 235210), (1032, 224270), (1094, 211560), (1230, 188168), (1290, 179416), (1640, 141126), (1641, 141040), (1720, 134562), (1763, 131280), (1968, 117605), (2064, 112135), (2188, 105780), (2460, 94084), (2580, 89708), (2735, 84624), (3280, 70563), (3282, 70520), (3440, 67281), (3526, 65640), (4376, 52890), (4920, 47042), (5160, 44854), (5289, 43760), (5470, 42312), (6564, 35260), (7052, 32820), (8205, 28208), (8752, 26445), (8815, 26256), (9840, 23521), (10320, 22427), (10578, 21880), (10940, 21156), (13128, 17630), (14104, 16410)]