391296880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 160

約数和(自身を含む): 1034933760

約数和(自身を除く): 643636880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 53, 62, 65, 80, 104, 106, 124, 130, 155, 208, 212, 229, 248, 260, 265, 310, 403, 424, 458, 496, 520, 530, 620, 689, 806, 848, 916, 1040, 1060, 1145, 1240, 1378, 1612, 1643, 1832, 2015, 2120, 2290, 2480, 2756, 2977, 3224, 3286, 3445, 3664, 4030, 4240, 4580, 5512, 5954, 6448, 6572, 6890, 7099, 8060, 8215, 9160, 11024, 11908, 12137, 13144, 13780, 14198, 14885, 16120, 16430, 18320, 21359, 23816, 24274, 26288, 27560, 28396, 29770, 32240, 32860, 35495, 42718, 47632, 48548, 55120, 56792, 59540, 60685, 65720, 70990, 85436, 92287, 97096, 106795, 113584, 119080, 121370, 131440, 141980, 157781, 170872, 184574, 194192, 213590, 238160, 242740, 283960, 315562, 341744, 369148, 376247, 427180, 461435, 485480, 567920, 631124, 738296, 752494, 788905, 854360, 922870, 970960, 1262248, 1476592, 1504988, 1577810, 1708720, 1845740, 1881235, 2524496, 3009976, 3155620, 3691480, 3762470, 4891211, 6019952, 6311240, 7382960, 7524940, 9782422, 12622480, 15049880, 19564844, 24456055, 30099760, 39129688, 48912110, 78259376, 97824220, 195648440, 391296880]

約数ペア:

[(1, 391296880), (2, 195648440), (4, 97824220), (5, 78259376), (8, 48912110), (10, 39129688), (13, 30099760), (16, 24456055), (20, 19564844), (26, 15049880), (31, 12622480), (40, 9782422), (52, 7524940), (53, 7382960), (62, 6311240), (65, 6019952), (80, 4891211), (104, 3762470), (106, 3691480), (124, 3155620), (130, 3009976), (155, 2524496), (208, 1881235), (212, 1845740), (229, 1708720), (248, 1577810), (260, 1504988), (265, 1476592), (310, 1262248), (403, 970960), (424, 922870), (458, 854360), (496, 788905), (520, 752494), (530, 738296), (620, 631124), (689, 567920), (806, 485480), (848, 461435), (916, 427180), (1040, 376247), (1060, 369148), (1145, 341744), (1240, 315562), (1378, 283960), (1612, 242740), (1643, 238160), (1832, 213590), (2015, 194192), (2120, 184574), (2290, 170872), (2480, 157781), (2756, 141980), (2977, 131440), (3224, 121370), (3286, 119080), (3445, 113584), (3664, 106795), (4030, 97096), (4240, 92287), (4580, 85436), (5512, 70990), (5954, 65720), (6448, 60685), (6572, 59540), (6890, 56792), (7099, 55120), (8060, 48548), (8215, 47632), (9160, 42718), (11024, 35495), (11908, 32860), (12137, 32240), (13144, 29770), (13780, 28396), (14198, 27560), (14885, 26288), (16120, 24274), (16430, 23816), (18320, 21359)]