81459240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 262776960

約数和(自身を除く): 181317720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 73, 85, 102, 120, 136, 146, 170, 204, 219, 255, 292, 340, 365, 408, 438, 510, 547, 584, 680, 730, 876, 1020, 1094, 1095, 1241, 1460, 1641, 1752, 2040, 2188, 2190, 2482, 2735, 2920, 3282, 3723, 4376, 4380, 4964, 5470, 6205, 6564, 7446, 8205, 8760, 9299, 9928, 10940, 12410, 13128, 14892, 16410, 18598, 18615, 21880, 24820, 27897, 29784, 32820, 37196, 37230, 39931, 46495, 49640, 55794, 65640, 74392, 74460, 79862, 92990, 111588, 119793, 139485, 148920, 159724, 185980, 199655, 223176, 239586, 278970, 319448, 371960, 399310, 479172, 557940, 598965, 678827, 798620, 958344, 1115880, 1197930, 1357654, 1597240, 2036481, 2395860, 2715308, 3394135, 4072962, 4791720, 5430616, 6788270, 8145924, 10182405, 13576540, 16291848, 20364810, 27153080, 40729620, 81459240]

約数ペア:

[(1, 81459240), (2, 40729620), (3, 27153080), (4, 20364810), (5, 16291848), (6, 13576540), (8, 10182405), (10, 8145924), (12, 6788270), (15, 5430616), (17, 4791720), (20, 4072962), (24, 3394135), (30, 2715308), (34, 2395860), (40, 2036481), (51, 1597240), (60, 1357654), (68, 1197930), (73, 1115880), (85, 958344), (102, 798620), (120, 678827), (136, 598965), (146, 557940), (170, 479172), (204, 399310), (219, 371960), (255, 319448), (292, 278970), (340, 239586), (365, 223176), (408, 199655), (438, 185980), (510, 159724), (547, 148920), (584, 139485), (680, 119793), (730, 111588), (876, 92990), (1020, 79862), (1094, 74460), (1095, 74392), (1241, 65640), (1460, 55794), (1641, 49640), (1752, 46495), (2040, 39931), (2188, 37230), (2190, 37196), (2482, 32820), (2735, 29784), (2920, 27897), (3282, 24820), (3723, 21880), (4376, 18615), (4380, 18598), (4964, 16410), (5470, 14892), (6205, 13128), (6564, 12410), (7446, 10940), (8205, 9928), (8760, 9299)]