255400320

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:673

約数の個数: 256

約数和(自身を含む): 961966080

約数和(自身を除く): 706565760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 560, 613, 620, 640, 651, 672, 744, 840, 868, 896, 930, 960, 992, 1085, 1120, 1226, 1240, 1302, 1344, 1488, 1680, 1736, 1839, 1860, 1920, 1984, 2170, 2240, 2452, 2480, 2604, 2688, 2976, 3065, 3255, 3360, 3472, 3678, 3720, 3968, 4291, 4340, 4480, 4904, 4960, 5208, 5952, 6130, 6510, 6720, 6944, 7356, 7440, 8582, 8680, 9195, 9808, 9920, 10416, 11904, 12260, 12873, 13020, 13440, 13888, 14712, 14880, 17164, 17360, 18390, 19003, 19616, 19840, 20832, 21455, 24520, 25746, 26040, 27776, 29424, 29760, 34328, 34720, 36780, 38006, 39232, 41664, 42910, 49040, 51492, 52080, 57009, 58848, 59520, 64365, 68656, 69440, 73560, 76012, 78464, 83328, 85820, 95015, 98080, 102984, 104160, 114018, 117696, 128730, 133021, 137312, 138880, 147120, 152024, 171640, 190030, 196160, 205968, 208320, 228036, 235392, 257460, 266042, 274624, 285045, 294240, 304048, 343280, 380060, 392320, 399063, 411936, 416640, 456072, 514920, 532084, 549248, 570090, 588480, 608096, 665105, 686560, 760120, 798126, 823872, 912144, 1029840, 1064168, 1140180, 1176960, 1216192, 1330210, 1373120, 1520240, 1596252, 1647744, 1824288, 1995315, 2059680, 2128336, 2280360, 2432384, 2660420, 2746240, 3040480, 3192504, 3648576, 3990630, 4119360, 4256672, 4560720, 5320840, 6080960, 6385008, 7297152, 7981260, 8238720, 8513344, 9121440, 10641680, 12161920, 12770016, 15962520, 17026688, 18242880, 21283360, 25540032, 31925040, 36485760, 42566720, 51080064, 63850080, 85133440, 127700160, 255400320]

約数ペア:

[(1, 255400320), (2, 127700160), (3, 85133440), (4, 63850080), (5, 51080064), (6, 42566720), (7, 36485760), (8, 31925040), (10, 25540032), (12, 21283360), (14, 18242880), (15, 17026688), (16, 15962520), (20, 12770016), (21, 12161920), (24, 10641680), (28, 9121440), (30, 8513344), (31, 8238720), (32, 7981260), (35, 7297152), (40, 6385008), (42, 6080960), (48, 5320840), (56, 4560720), (60, 4256672), (62, 4119360), (64, 3990630), (70, 3648576), (80, 3192504), (84, 3040480), (93, 2746240), (96, 2660420), (105, 2432384), (112, 2280360), (120, 2128336), (124, 2059680), (128, 1995315), (140, 1824288), (155, 1647744), (160, 1596252), (168, 1520240), (186, 1373120), (192, 1330210), (210, 1216192), (217, 1176960), (224, 1140180), (240, 1064168), (248, 1029840), (280, 912144), (310, 823872), (320, 798126), (336, 760120), (372, 686560), (384, 665105), (420, 608096), (434, 588480), (448, 570090), (465, 549248), (480, 532084), (496, 514920), (560, 456072), (613, 416640), (620, 411936), (640, 399063), (651, 392320), (672, 380060), (744, 343280), (840, 304048), (868, 294240), (896, 285045), (930, 274624), (960, 266042), (992, 257460), (1085, 235392), (1120, 228036), (1226, 208320), (1240, 205968), (1302, 196160), (1344, 190030), (1488, 171640), (1680, 152024), (1736, 147120), (1839, 138880), (1860, 137312), (1920, 133021), (1984, 128730), (2170, 117696), (2240, 114018), (2452, 104160), (2480, 102984), (2604, 98080), (2688, 95015), (2976, 85820), (3065, 83328), (3255, 78464), (3360, 76012), (3472, 73560), (3678, 69440), (3720, 68656), (3968, 64365), (4291, 59520), (4340, 58848), (4480, 57009), (4904, 52080), (4960, 51492), (5208, 49040), (5952, 42910), (6130, 41664), (6510, 39232), (6720, 38006), (6944, 36780), (7356, 34720), (7440, 34328), (8582, 29760), (8680, 29424), (9195, 27776), (9808, 26040), (9920, 25746), (10416, 24520), (11904, 21455), (12260, 20832), (12873, 19840), (13020, 19616), (13440, 19003), (13888, 18390), (14712, 17360), (14880, 17164)]