280658560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 256

約数和(自身を含む): 849945600

約数和(自身を除く): 569287040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 61, 64, 65, 70, 79, 80, 91, 104, 112, 122, 128, 130, 140, 158, 160, 182, 208, 224, 244, 260, 280, 305, 316, 320, 364, 395, 416, 427, 448, 455, 488, 520, 553, 560, 610, 632, 640, 728, 790, 793, 832, 854, 896, 910, 976, 1027, 1040, 1106, 1120, 1220, 1264, 1456, 1580, 1586, 1664, 1708, 1820, 1952, 2054, 2080, 2135, 2212, 2240, 2440, 2528, 2765, 2912, 3160, 3172, 3416, 3640, 3904, 3965, 4108, 4160, 4270, 4424, 4480, 4819, 4880, 5056, 5135, 5530, 5551, 5824, 6320, 6344, 6832, 7189, 7280, 7808, 7930, 8216, 8320, 8540, 8848, 9638, 9760, 10112, 10270, 11060, 11102, 11648, 12640, 12688, 13664, 14378, 14560, 15860, 16432, 17080, 17696, 19276, 19520, 20540, 22120, 22204, 24095, 25280, 25376, 27328, 27755, 28756, 29120, 31720, 32864, 33733, 34160, 35392, 35945, 38552, 39040, 41080, 44240, 44408, 48190, 50560, 50752, 54656, 55510, 57512, 58240, 62647, 63440, 65728, 67466, 68320, 70784, 71890, 77104, 82160, 88480, 88816, 96380, 101504, 111020, 115024, 125294, 126880, 131456, 134932, 136640, 143780, 154208, 164320, 168665, 176960, 177632, 192760, 222040, 230048, 250588, 253760, 269864, 273280, 287560, 308416, 313235, 328640, 337330, 353920, 355264, 385520, 438529, 444080, 460096, 501176, 507520, 539728, 575120, 616832, 626470, 657280, 674660, 710528, 771040, 877058, 888160, 920192, 1002352, 1079456, 1150240, 1252940, 1349320, 1542080, 1754116, 1776320, 2004704, 2158912, 2192645, 2300480, 2505880, 2698640, 3084160, 3508232, 3552640, 4009408, 4317824, 4385290, 4600960, 5011760, 5397280, 7016464, 8018816, 8770580, 10023520, 10794560, 14032928, 17541160, 20047040, 21589120, 28065856, 35082320, 40094080, 56131712, 70164640, 140329280, 280658560]

約数ペア:

[(1, 280658560), (2, 140329280), (4, 70164640), (5, 56131712), (7, 40094080), (8, 35082320), (10, 28065856), (13, 21589120), (14, 20047040), (16, 17541160), (20, 14032928), (26, 10794560), (28, 10023520), (32, 8770580), (35, 8018816), (40, 7016464), (52, 5397280), (56, 5011760), (61, 4600960), (64, 4385290), (65, 4317824), (70, 4009408), (79, 3552640), (80, 3508232), (91, 3084160), (104, 2698640), (112, 2505880), (122, 2300480), (128, 2192645), (130, 2158912), (140, 2004704), (158, 1776320), (160, 1754116), (182, 1542080), (208, 1349320), (224, 1252940), (244, 1150240), (260, 1079456), (280, 1002352), (305, 920192), (316, 888160), (320, 877058), (364, 771040), (395, 710528), (416, 674660), (427, 657280), (448, 626470), (455, 616832), (488, 575120), (520, 539728), (553, 507520), (560, 501176), (610, 460096), (632, 444080), (640, 438529), (728, 385520), (790, 355264), (793, 353920), (832, 337330), (854, 328640), (896, 313235), (910, 308416), (976, 287560), (1027, 273280), (1040, 269864), (1106, 253760), (1120, 250588), (1220, 230048), (1264, 222040), (1456, 192760), (1580, 177632), (1586, 176960), (1664, 168665), (1708, 164320), (1820, 154208), (1952, 143780), (2054, 136640), (2080, 134932), (2135, 131456), (2212, 126880), (2240, 125294), (2440, 115024), (2528, 111020), (2765, 101504), (2912, 96380), (3160, 88816), (3172, 88480), (3416, 82160), (3640, 77104), (3904, 71890), (3965, 70784), (4108, 68320), (4160, 67466), (4270, 65728), (4424, 63440), (4480, 62647), (4819, 58240), (4880, 57512), (5056, 55510), (5135, 54656), (5530, 50752), (5551, 50560), (5824, 48190), (6320, 44408), (6344, 44240), (6832, 41080), (7189, 39040), (7280, 38552), (7808, 35945), (7930, 35392), (8216, 34160), (8320, 33733), (8540, 32864), (8848, 31720), (9638, 29120), (9760, 28756), (10112, 27755), (10270, 27328), (11060, 25376), (11102, 25280), (11648, 24095), (12640, 22204), (12688, 22120), (13664, 20540), (14378, 19520), (14560, 19276), (15860, 17696), (16432, 17080)]