257462280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:453

約数の個数: 256

約数和(自身を含む): 935712000

約数和(自身を除く): 678249720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 37, 40, 45, 51, 54, 60, 68, 72, 74, 85, 90, 102, 108, 111, 120, 135, 136, 148, 153, 170, 180, 185, 204, 216, 222, 255, 270, 296, 306, 333, 340, 360, 370, 379, 408, 444, 459, 510, 540, 555, 612, 629, 666, 680, 740, 758, 765, 888, 918, 999, 1020, 1080, 1110, 1137, 1224, 1258, 1332, 1480, 1516, 1530, 1665, 1836, 1887, 1895, 1998, 2040, 2220, 2274, 2295, 2516, 2664, 3032, 3060, 3145, 3330, 3411, 3672, 3774, 3790, 3996, 4440, 4548, 4590, 4995, 5032, 5661, 5685, 6120, 6290, 6443, 6660, 6822, 7548, 7580, 7992, 9096, 9180, 9435, 9990, 10233, 11322, 11370, 12580, 12886, 13320, 13644, 14023, 15096, 15160, 16983, 17055, 18360, 18870, 19329, 19980, 20466, 22644, 22740, 25160, 25772, 27288, 28046, 28305, 32215, 33966, 34110, 37740, 38658, 39960, 40932, 42069, 45288, 45480, 51165, 51544, 56092, 56610, 57987, 64430, 67932, 68220, 70115, 75480, 77316, 81864, 84138, 84915, 96645, 102330, 112184, 113220, 115974, 126207, 128860, 135864, 136440, 140230, 154632, 168276, 169830, 173961, 193290, 204660, 210345, 226440, 231948, 238391, 252414, 257720, 280460, 289935, 336552, 339660, 347922, 378621, 386580, 409320, 420690, 463896, 476782, 504828, 560920, 579870, 631035, 679320, 695844, 715173, 757242, 773160, 841380, 869805, 953564, 1009656, 1159740, 1191955, 1262070, 1391688, 1430346, 1514484, 1682760, 1739610, 1893105, 1907128, 2145519, 2319480, 2383910, 2524140, 2860692, 3028968, 3479220, 3575865, 3786210, 4291038, 4767820, 5048280, 5721384, 6436557, 6958440, 7151730, 7572420, 8582076, 9535640, 10727595, 12873114, 14303460, 15144840, 17164152, 21455190, 25746228, 28606920, 32182785, 42910380, 51492456, 64365570, 85820760, 128731140, 257462280]

約数ペア:

[(1, 257462280), (2, 128731140), (3, 85820760), (4, 64365570), (5, 51492456), (6, 42910380), (8, 32182785), (9, 28606920), (10, 25746228), (12, 21455190), (15, 17164152), (17, 15144840), (18, 14303460), (20, 12873114), (24, 10727595), (27, 9535640), (30, 8582076), (34, 7572420), (36, 7151730), (37, 6958440), (40, 6436557), (45, 5721384), (51, 5048280), (54, 4767820), (60, 4291038), (68, 3786210), (72, 3575865), (74, 3479220), (85, 3028968), (90, 2860692), (102, 2524140), (108, 2383910), (111, 2319480), (120, 2145519), (135, 1907128), (136, 1893105), (148, 1739610), (153, 1682760), (170, 1514484), (180, 1430346), (185, 1391688), (204, 1262070), (216, 1191955), (222, 1159740), (255, 1009656), (270, 953564), (296, 869805), (306, 841380), (333, 773160), (340, 757242), (360, 715173), (370, 695844), (379, 679320), (408, 631035), (444, 579870), (459, 560920), (510, 504828), (540, 476782), (555, 463896), (612, 420690), (629, 409320), (666, 386580), (680, 378621), (740, 347922), (758, 339660), (765, 336552), (888, 289935), (918, 280460), (999, 257720), (1020, 252414), (1080, 238391), (1110, 231948), (1137, 226440), (1224, 210345), (1258, 204660), (1332, 193290), (1480, 173961), (1516, 169830), (1530, 168276), (1665, 154632), (1836, 140230), (1887, 136440), (1895, 135864), (1998, 128860), (2040, 126207), (2220, 115974), (2274, 113220), (2295, 112184), (2516, 102330), (2664, 96645), (3032, 84915), (3060, 84138), (3145, 81864), (3330, 77316), (3411, 75480), (3672, 70115), (3774, 68220), (3790, 67932), (3996, 64430), (4440, 57987), (4548, 56610), (4590, 56092), (4995, 51544), (5032, 51165), (5661, 45480), (5685, 45288), (6120, 42069), (6290, 40932), (6443, 39960), (6660, 38658), (6822, 37740), (7548, 34110), (7580, 33966), (7992, 32215), (9096, 28305), (9180, 28046), (9435, 27288), (9990, 25772), (10233, 25160), (11322, 22740), (11370, 22644), (12580, 20466), (12886, 19980), (13320, 19329), (13644, 18870), (14023, 18360), (15096, 17055), (15160, 16983)]