163997640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:372

約数の個数: 192

約数和(自身を含む): 571484160

約数和(自身を除く): 407486520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 127, 136, 153, 170, 180, 204, 211, 254, 255, 306, 340, 360, 381, 408, 422, 508, 510, 612, 633, 635, 680, 762, 765, 844, 1016, 1020, 1055, 1143, 1224, 1266, 1270, 1524, 1530, 1688, 1899, 1905, 2040, 2110, 2159, 2286, 2532, 2540, 3048, 3060, 3165, 3587, 3798, 3810, 4220, 4318, 4572, 5064, 5080, 5715, 6120, 6330, 6477, 7174, 7596, 7620, 8440, 8636, 9144, 9495, 10761, 10795, 11430, 12660, 12954, 14348, 15192, 15240, 17272, 17935, 18990, 19431, 21522, 21590, 22860, 25320, 25908, 26797, 28696, 32283, 32385, 35870, 37980, 38862, 43044, 43180, 45720, 51816, 53594, 53805, 64566, 64770, 71740, 75960, 77724, 80391, 86088, 86360, 97155, 107188, 107610, 129132, 129540, 133985, 143480, 155448, 160782, 161415, 194310, 214376, 215220, 241173, 258264, 259080, 267970, 321564, 322830, 388620, 401955, 430440, 455549, 482346, 535940, 643128, 645660, 777240, 803910, 911098, 964692, 1071880, 1205865, 1291320, 1366647, 1607820, 1822196, 1929384, 2277745, 2411730, 2733294, 3215640, 3644392, 4099941, 4555490, 4823460, 5466588, 6833235, 8199882, 9110980, 9646920, 10933176, 13666470, 16399764, 18221960, 20499705, 27332940, 32799528, 40999410, 54665880, 81998820, 163997640]

約数ペア:

[(1, 163997640), (2, 81998820), (3, 54665880), (4, 40999410), (5, 32799528), (6, 27332940), (8, 20499705), (9, 18221960), (10, 16399764), (12, 13666470), (15, 10933176), (17, 9646920), (18, 9110980), (20, 8199882), (24, 6833235), (30, 5466588), (34, 4823460), (36, 4555490), (40, 4099941), (45, 3644392), (51, 3215640), (60, 2733294), (68, 2411730), (72, 2277745), (85, 1929384), (90, 1822196), (102, 1607820), (120, 1366647), (127, 1291320), (136, 1205865), (153, 1071880), (170, 964692), (180, 911098), (204, 803910), (211, 777240), (254, 645660), (255, 643128), (306, 535940), (340, 482346), (360, 455549), (381, 430440), (408, 401955), (422, 388620), (508, 322830), (510, 321564), (612, 267970), (633, 259080), (635, 258264), (680, 241173), (762, 215220), (765, 214376), (844, 194310), (1016, 161415), (1020, 160782), (1055, 155448), (1143, 143480), (1224, 133985), (1266, 129540), (1270, 129132), (1524, 107610), (1530, 107188), (1688, 97155), (1899, 86360), (1905, 86088), (2040, 80391), (2110, 77724), (2159, 75960), (2286, 71740), (2532, 64770), (2540, 64566), (3048, 53805), (3060, 53594), (3165, 51816), (3587, 45720), (3798, 43180), (3810, 43044), (4220, 38862), (4318, 37980), (4572, 35870), (5064, 32385), (5080, 32283), (5715, 28696), (6120, 26797), (6330, 25908), (6477, 25320), (7174, 22860), (7596, 21590), (7620, 21522), (8440, 19431), (8636, 18990), (9144, 17935), (9495, 17272), (10761, 15240), (10795, 15192), (11430, 14348), (12660, 12954)]