331330480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:339

約数の個数: 160

約数和(自身を含む): 879943680

約数和(自身を除く): 548613200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 43, 52, 62, 65, 80, 86, 104, 124, 130, 155, 172, 208, 215, 239, 248, 260, 310, 344, 403, 430, 478, 496, 520, 559, 620, 688, 806, 860, 956, 1040, 1118, 1195, 1240, 1333, 1612, 1720, 1912, 2015, 2236, 2390, 2480, 2666, 2795, 3107, 3224, 3440, 3824, 4030, 4472, 4780, 5332, 5590, 6214, 6448, 6665, 7409, 8060, 8944, 9560, 10277, 10664, 11180, 12428, 13330, 14818, 15535, 16120, 17329, 19120, 20554, 21328, 22360, 24856, 26660, 29636, 31070, 32240, 34658, 37045, 41108, 44720, 49712, 51385, 53320, 59272, 62140, 69316, 74090, 82216, 86645, 96317, 102770, 106640, 118544, 124280, 133601, 138632, 148180, 164432, 173290, 192634, 205540, 248560, 267202, 277264, 296360, 318587, 346580, 385268, 411080, 481585, 534404, 592720, 637174, 668005, 693160, 770536, 822160, 963170, 1068808, 1274348, 1336010, 1386320, 1541072, 1592935, 1926340, 2137616, 2548696, 2672020, 3185870, 3852680, 4141631, 5097392, 5344040, 6371740, 7705360, 8283262, 10688080, 12743480, 16566524, 20708155, 25486960, 33133048, 41416310, 66266096, 82832620, 165665240, 331330480]

約数ペア:

[(1, 331330480), (2, 165665240), (4, 82832620), (5, 66266096), (8, 41416310), (10, 33133048), (13, 25486960), (16, 20708155), (20, 16566524), (26, 12743480), (31, 10688080), (40, 8283262), (43, 7705360), (52, 6371740), (62, 5344040), (65, 5097392), (80, 4141631), (86, 3852680), (104, 3185870), (124, 2672020), (130, 2548696), (155, 2137616), (172, 1926340), (208, 1592935), (215, 1541072), (239, 1386320), (248, 1336010), (260, 1274348), (310, 1068808), (344, 963170), (403, 822160), (430, 770536), (478, 693160), (496, 668005), (520, 637174), (559, 592720), (620, 534404), (688, 481585), (806, 411080), (860, 385268), (956, 346580), (1040, 318587), (1118, 296360), (1195, 277264), (1240, 267202), (1333, 248560), (1612, 205540), (1720, 192634), (1912, 173290), (2015, 164432), (2236, 148180), (2390, 138632), (2480, 133601), (2666, 124280), (2795, 118544), (3107, 106640), (3224, 102770), (3440, 96317), (3824, 86645), (4030, 82216), (4472, 74090), (4780, 69316), (5332, 62140), (5590, 59272), (6214, 53320), (6448, 51385), (6665, 49712), (7409, 44720), (8060, 41108), (8944, 37045), (9560, 34658), (10277, 32240), (10664, 31070), (11180, 29636), (12428, 26660), (13330, 24856), (14818, 22360), (15535, 21328), (16120, 20554), (17329, 19120)]