261918569520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{669937}}^1$

素因数の和:670140

約数の個数: 160

約数和(自身を含む): 907149647040

約数和(自身を除く): 645231077520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 181, 216, 240, 270, 360, 362, 432, 540, 543, 720, 724, 905, 1080, 1086, 1448, 1629, 1810, 2160, 2172, 2715, 2896, 3258, 3620, 4344, 4887, 5430, 6516, 7240, 8145, 8688, 9774, 10860, 13032, 14480, 16290, 19548, 21720, 24435, 26064, 32580, 39096, 43440, 48870, 65160, 78192, 97740, 130320, 195480, 390960, 669937, 1339874, 2009811, 2679748, 3349685, 4019622, 5359496, 6029433, 6699370, 8039244, 10049055, 10718992, 12058866, 13398740, 16078488, 18088299, 20098110, 24117732, 26797480, 30147165, 32156976, 36176598, 40196220, 48235464, 53594960, 60294330, 72353196, 80392440, 90441495, 96470928, 120588660, 121258597, 144706392, 160784880, 180882990, 241177320, 242517194, 289412784, 361765980, 363775791, 482354640, 485034388, 606292985, 723531960, 727551582, 970068776, 1091327373, 1212585970, 1447063920, 1455103164, 1818878955, 1940137552, 2182654746, 2425171940, 2910206328, 3273982119, 3637757910, 4365309492, 4850343880, 5456636865, 5820412656, 6547964238, 7275515820, 8730618984, 9700687760, 10913273730, 13095928476, 14551031640, 16369910595, 17461237968, 21826547460, 26191856952, 29102063280, 32739821190, 43653094920, 52383713904, 65479642380, 87306189840, 130959284760, 261918569520]

約数ペア:

[(1, 261918569520), (2, 130959284760), (3, 87306189840), (4, 65479642380), (5, 52383713904), (6, 43653094920), (8, 32739821190), (9, 29102063280), (10, 26191856952), (12, 21826547460), (15, 17461237968), (16, 16369910595), (18, 14551031640), (20, 13095928476), (24, 10913273730), (27, 9700687760), (30, 8730618984), (36, 7275515820), (40, 6547964238), (45, 5820412656), (48, 5456636865), (54, 4850343880), (60, 4365309492), (72, 3637757910), (80, 3273982119), (90, 2910206328), (108, 2425171940), (120, 2182654746), (135, 1940137552), (144, 1818878955), (180, 1455103164), (181, 1447063920), (216, 1212585970), (240, 1091327373), (270, 970068776), (360, 727551582), (362, 723531960), (432, 606292985), (540, 485034388), (543, 482354640), (720, 363775791), (724, 361765980), (905, 289412784), (1080, 242517194), (1086, 241177320), (1448, 180882990), (1629, 160784880), (1810, 144706392), (2160, 121258597), (2172, 120588660), (2715, 96470928), (2896, 90441495), (3258, 80392440), (3620, 72353196), (4344, 60294330), (4887, 53594960), (5430, 48235464), (6516, 40196220), (7240, 36176598), (8145, 32156976), (8688, 30147165), (9774, 26797480), (10860, 24117732), (13032, 20098110), (14480, 18088299), (16290, 16078488), (19548, 13398740), (21720, 12058866), (24435, 10718992), (26064, 10049055), (32580, 8039244), (39096, 6699370), (43440, 6029433), (48870, 5359496), (65160, 4019622), (78192, 3349685), (97740, 2679748), (130320, 2009811), (195480, 1339874), (390960, 669937)]