258768160

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:339

約数の個数: 192

約数和(自身を含む): 748984320

約数和(自身を除く): 490216160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 32, 35, 40, 56, 58, 62, 70, 80, 112, 116, 124, 140, 145, 155, 160, 203, 217, 224, 232, 248, 257, 280, 290, 310, 406, 434, 464, 496, 514, 560, 580, 620, 812, 868, 899, 928, 992, 1015, 1028, 1085, 1120, 1160, 1240, 1285, 1624, 1736, 1798, 1799, 2030, 2056, 2170, 2320, 2480, 2570, 3248, 3472, 3596, 3598, 4060, 4112, 4340, 4495, 4640, 4960, 5140, 6293, 6496, 6944, 7192, 7196, 7453, 7967, 8120, 8224, 8680, 8990, 8995, 10280, 12586, 14384, 14392, 14906, 15934, 16240, 17360, 17980, 17990, 20560, 25172, 28768, 28784, 29812, 31465, 31868, 32480, 34720, 35960, 35980, 37265, 39835, 41120, 50344, 52171, 55769, 57568, 59624, 62930, 63736, 71920, 71960, 74530, 79670, 100688, 104342, 111538, 119248, 125860, 127472, 143840, 143920, 149060, 159340, 201376, 208684, 223076, 231043, 238496, 251720, 254944, 260855, 278845, 287840, 298120, 318680, 417368, 446152, 462086, 503440, 521710, 557690, 596240, 637360, 834736, 892304, 924172, 1006880, 1043420, 1115380, 1155215, 1192480, 1274720, 1617301, 1669472, 1784608, 1848344, 2086840, 2230760, 2310430, 3234602, 3696688, 4173680, 4461520, 4620860, 6469204, 7393376, 8086505, 8347360, 8923040, 9241720, 12938408, 16173010, 18483440, 25876816, 32346020, 36966880, 51753632, 64692040, 129384080, 258768160]

約数ペア:

[(1, 258768160), (2, 129384080), (4, 64692040), (5, 51753632), (7, 36966880), (8, 32346020), (10, 25876816), (14, 18483440), (16, 16173010), (20, 12938408), (28, 9241720), (29, 8923040), (31, 8347360), (32, 8086505), (35, 7393376), (40, 6469204), (56, 4620860), (58, 4461520), (62, 4173680), (70, 3696688), (80, 3234602), (112, 2310430), (116, 2230760), (124, 2086840), (140, 1848344), (145, 1784608), (155, 1669472), (160, 1617301), (203, 1274720), (217, 1192480), (224, 1155215), (232, 1115380), (248, 1043420), (257, 1006880), (280, 924172), (290, 892304), (310, 834736), (406, 637360), (434, 596240), (464, 557690), (496, 521710), (514, 503440), (560, 462086), (580, 446152), (620, 417368), (812, 318680), (868, 298120), (899, 287840), (928, 278845), (992, 260855), (1015, 254944), (1028, 251720), (1085, 238496), (1120, 231043), (1160, 223076), (1240, 208684), (1285, 201376), (1624, 159340), (1736, 149060), (1798, 143920), (1799, 143840), (2030, 127472), (2056, 125860), (2170, 119248), (2320, 111538), (2480, 104342), (2570, 100688), (3248, 79670), (3472, 74530), (3596, 71960), (3598, 71920), (4060, 63736), (4112, 62930), (4340, 59624), (4495, 57568), (4640, 55769), (4960, 52171), (5140, 50344), (6293, 41120), (6496, 39835), (6944, 37265), (7192, 35980), (7196, 35960), (7453, 34720), (7967, 32480), (8120, 31868), (8224, 31465), (8680, 29812), (8990, 28784), (8995, 28768), (10280, 25172), (12586, 20560), (14384, 17990), (14392, 17980), (14906, 17360), (15934, 16240)]