1820116480

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{601}}^1$

素因数の和:657

約数の個数: 240

約数和(自身を含む): 5409591264

約数和(自身を除く): 3589474784

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 169, 182, 208, 224, 256, 260, 280, 320, 338, 364, 416, 448, 455, 512, 520, 560, 601, 640, 676, 728, 832, 845, 896, 910, 1040, 1120, 1183, 1202, 1280, 1352, 1456, 1664, 1690, 1792, 1820, 2080, 2240, 2366, 2404, 2560, 2704, 2912, 3005, 3328, 3380, 3584, 3640, 4160, 4207, 4480, 4732, 4808, 5408, 5824, 5915, 6010, 6656, 6760, 7280, 7813, 8320, 8414, 8960, 9464, 9616, 10816, 11648, 11830, 12020, 13520, 14560, 15626, 16640, 16828, 17920, 18928, 19232, 21035, 21632, 23296, 23660, 24040, 27040, 29120, 31252, 33280, 33656, 37856, 38464, 39065, 42070, 43264, 46592, 47320, 48080, 54080, 54691, 58240, 62504, 67312, 75712, 76928, 78130, 84140, 86528, 94640, 96160, 101569, 108160, 109382, 116480, 125008, 134624, 151424, 153856, 156260, 168280, 189280, 192320, 203138, 216320, 218764, 232960, 250016, 269248, 273455, 302848, 307712, 312520, 336560, 378560, 384640, 406276, 432640, 437528, 500032, 507845, 538496, 546910, 605696, 625040, 673120, 710983, 757120, 769280, 812552, 875056, 1000064, 1015690, 1076992, 1093820, 1250080, 1346240, 1421966, 1514240, 1538560, 1625104, 1750112, 2000128, 2031380, 2153984, 2187640, 2500160, 2692480, 2843932, 3028480, 3250208, 3500224, 3554915, 4000256, 4062760, 4375280, 5000320, 5384960, 5687864, 6500416, 7000448, 7109830, 8125520, 8750560, 10000640, 10769920, 11375728, 13000832, 14000896, 14219660, 16251040, 17501120, 20001280, 22751456, 26001664, 28001792, 28439320, 32502080, 35002240, 45502912, 52003328, 56878640, 65004160, 70004480, 91005824, 113757280, 130008320, 140008960, 182011648, 227514560, 260016640, 364023296, 455029120, 910058240, 1820116480]

約数ペア:

[(1, 1820116480), (2, 910058240), (4, 455029120), (5, 364023296), (7, 260016640), (8, 227514560), (10, 182011648), (13, 140008960), (14, 130008320), (16, 113757280), (20, 91005824), (26, 70004480), (28, 65004160), (32, 56878640), (35, 52003328), (40, 45502912), (52, 35002240), (56, 32502080), (64, 28439320), (65, 28001792), (70, 26001664), (80, 22751456), (91, 20001280), (104, 17501120), (112, 16251040), (128, 14219660), (130, 14000896), (140, 13000832), (160, 11375728), (169, 10769920), (182, 10000640), (208, 8750560), (224, 8125520), (256, 7109830), (260, 7000448), (280, 6500416), (320, 5687864), (338, 5384960), (364, 5000320), (416, 4375280), (448, 4062760), (455, 4000256), (512, 3554915), (520, 3500224), (560, 3250208), (601, 3028480), (640, 2843932), (676, 2692480), (728, 2500160), (832, 2187640), (845, 2153984), (896, 2031380), (910, 2000128), (1040, 1750112), (1120, 1625104), (1183, 1538560), (1202, 1514240), (1280, 1421966), (1352, 1346240), (1456, 1250080), (1664, 1093820), (1690, 1076992), (1792, 1015690), (1820, 1000064), (2080, 875056), (2240, 812552), (2366, 769280), (2404, 757120), (2560, 710983), (2704, 673120), (2912, 625040), (3005, 605696), (3328, 546910), (3380, 538496), (3584, 507845), (3640, 500032), (4160, 437528), (4207, 432640), (4480, 406276), (4732, 384640), (4808, 378560), (5408, 336560), (5824, 312520), (5915, 307712), (6010, 302848), (6656, 273455), (6760, 269248), (7280, 250016), (7813, 232960), (8320, 218764), (8414, 216320), (8960, 203138), (9464, 192320), (9616, 189280), (10816, 168280), (11648, 156260), (11830, 153856), (12020, 151424), (13520, 134624), (14560, 125008), (15626, 116480), (16640, 109382), (16828, 108160), (17920, 101569), (18928, 96160), (19232, 94640), (21035, 86528), (21632, 84140), (23296, 78130), (23660, 76928), (24040, 75712), (27040, 67312), (29120, 62504), (31252, 58240), (33280, 54691), (33656, 54080), (37856, 48080), (38464, 47320), (39065, 46592), (42070, 43264)]