254216640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 224

約数和(自身を含む): 879799104

約数和(自身を除く): 625582464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 37, 40, 48, 51, 60, 64, 68, 74, 80, 85, 96, 102, 111, 120, 136, 148, 160, 170, 185, 192, 204, 222, 240, 255, 272, 296, 320, 340, 370, 408, 421, 444, 480, 510, 544, 555, 592, 629, 680, 740, 816, 842, 888, 960, 1020, 1088, 1110, 1184, 1258, 1263, 1360, 1480, 1632, 1684, 1776, 1887, 2040, 2105, 2220, 2368, 2516, 2526, 2720, 2960, 3145, 3264, 3368, 3552, 3774, 4080, 4210, 4440, 5032, 5052, 5440, 5920, 6290, 6315, 6736, 7104, 7157, 7548, 8160, 8420, 8880, 9435, 10064, 10104, 11840, 12580, 12630, 13472, 14314, 15096, 15577, 16320, 16840, 17760, 18870, 20128, 20208, 21471, 25160, 25260, 26944, 28628, 30192, 31154, 33680, 35520, 35785, 37740, 40256, 40416, 42942, 46731, 50320, 50520, 57256, 60384, 62308, 67360, 71570, 75480, 77885, 80832, 85884, 93462, 100640, 101040, 107355, 114512, 120768, 124616, 134720, 143140, 150960, 155770, 171768, 186924, 201280, 202080, 214710, 229024, 233655, 249232, 264809, 286280, 301920, 311540, 343536, 373848, 404160, 429420, 458048, 467310, 498464, 529618, 572560, 603840, 623080, 687072, 747696, 794427, 858840, 934620, 996928, 1059236, 1145120, 1246160, 1324045, 1374144, 1495392, 1588854, 1717680, 1869240, 2118472, 2290240, 2492320, 2648090, 2990784, 3177708, 3435360, 3738480, 3972135, 4236944, 4984640, 5296180, 6355416, 6870720, 7476960, 7944270, 8473888, 10592360, 12710832, 14953920, 15888540, 16947776, 21184720, 25421664, 31777080, 42369440, 50843328, 63554160, 84738880, 127108320, 254216640]

約数ペア:

[(1, 254216640), (2, 127108320), (3, 84738880), (4, 63554160), (5, 50843328), (6, 42369440), (8, 31777080), (10, 25421664), (12, 21184720), (15, 16947776), (16, 15888540), (17, 14953920), (20, 12710832), (24, 10592360), (30, 8473888), (32, 7944270), (34, 7476960), (37, 6870720), (40, 6355416), (48, 5296180), (51, 4984640), (60, 4236944), (64, 3972135), (68, 3738480), (74, 3435360), (80, 3177708), (85, 2990784), (96, 2648090), (102, 2492320), (111, 2290240), (120, 2118472), (136, 1869240), (148, 1717680), (160, 1588854), (170, 1495392), (185, 1374144), (192, 1324045), (204, 1246160), (222, 1145120), (240, 1059236), (255, 996928), (272, 934620), (296, 858840), (320, 794427), (340, 747696), (370, 687072), (408, 623080), (421, 603840), (444, 572560), (480, 529618), (510, 498464), (544, 467310), (555, 458048), (592, 429420), (629, 404160), (680, 373848), (740, 343536), (816, 311540), (842, 301920), (888, 286280), (960, 264809), (1020, 249232), (1088, 233655), (1110, 229024), (1184, 214710), (1258, 202080), (1263, 201280), (1360, 186924), (1480, 171768), (1632, 155770), (1684, 150960), (1776, 143140), (1887, 134720), (2040, 124616), (2105, 120768), (2220, 114512), (2368, 107355), (2516, 101040), (2526, 100640), (2720, 93462), (2960, 85884), (3145, 80832), (3264, 77885), (3368, 75480), (3552, 71570), (3774, 67360), (4080, 62308), (4210, 60384), (4440, 57256), (5032, 50520), (5052, 50320), (5440, 46731), (5920, 42942), (6290, 40416), (6315, 40256), (6736, 37740), (7104, 35785), (7157, 35520), (7548, 33680), (8160, 31154), (8420, 30192), (8880, 28628), (9435, 26944), (10064, 25260), (10104, 25160), (11840, 21471), (12580, 20208), (12630, 20128), (13472, 18870), (14314, 17760), (15096, 16840), (15577, 16320)]