1298690640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{821}}^1$

素因数の和:879

約数の個数: 240

約数和(自身を含む): 4730478480

約数和(自身を除く): 3431787840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 260, 312, 338, 360, 390, 468, 507, 520, 585, 624, 676, 720, 780, 821, 845, 936, 1014, 1040, 1170, 1352, 1521, 1560, 1642, 1690, 1872, 2028, 2197, 2340, 2463, 2535, 2704, 3042, 3120, 3284, 3380, 4056, 4105, 4394, 4680, 4926, 5070, 6084, 6568, 6591, 6760, 7389, 7605, 8112, 8210, 8788, 9360, 9852, 10140, 10673, 10985, 12168, 12315, 13136, 13182, 13520, 14778, 15210, 16420, 17576, 19704, 19773, 20280, 21346, 21970, 24336, 24630, 26364, 29556, 30420, 32019, 32840, 32955, 35152, 36945, 39408, 39546, 40560, 42692, 43940, 49260, 52728, 53365, 59112, 60840, 64038, 65680, 65910, 73890, 79092, 85384, 87880, 96057, 98520, 98865, 105456, 106730, 118224, 121680, 128076, 131820, 138749, 147780, 158184, 160095, 170768, 175760, 192114, 197040, 197730, 213460, 256152, 263640, 277498, 295560, 316368, 320190, 384228, 395460, 416247, 426920, 480285, 512304, 527280, 554996, 591120, 640380, 693745, 768456, 790920, 832494, 853840, 960570, 1109992, 1248741, 1280760, 1387490, 1536912, 1581840, 1664988, 1803737, 1921140, 2081235, 2219984, 2497482, 2561520, 2774980, 3329976, 3607474, 3842280, 4162470, 4994964, 5411211, 5549960, 6243705, 6659952, 7214948, 7684560, 8324940, 9018685, 9989928, 10822422, 11099920, 12487410, 14429896, 16233633, 16649880, 18037370, 19979856, 21644844, 24974820, 27056055, 28859792, 32467266, 33299760, 36074740, 43289688, 49949640, 54112110, 64934532, 72149480, 81168165, 86579376, 99899280, 108224220, 129869064, 144298960, 162336330, 216448440, 259738128, 324672660, 432896880, 649345320, 1298690640]

約数ペア:

[(1, 1298690640), (2, 649345320), (3, 432896880), (4, 324672660), (5, 259738128), (6, 216448440), (8, 162336330), (9, 144298960), (10, 129869064), (12, 108224220), (13, 99899280), (15, 86579376), (16, 81168165), (18, 72149480), (20, 64934532), (24, 54112110), (26, 49949640), (30, 43289688), (36, 36074740), (39, 33299760), (40, 32467266), (45, 28859792), (48, 27056055), (52, 24974820), (60, 21644844), (65, 19979856), (72, 18037370), (78, 16649880), (80, 16233633), (90, 14429896), (104, 12487410), (117, 11099920), (120, 10822422), (130, 9989928), (144, 9018685), (156, 8324940), (169, 7684560), (180, 7214948), (195, 6659952), (208, 6243705), (234, 5549960), (240, 5411211), (260, 4994964), (312, 4162470), (338, 3842280), (360, 3607474), (390, 3329976), (468, 2774980), (507, 2561520), (520, 2497482), (585, 2219984), (624, 2081235), (676, 1921140), (720, 1803737), (780, 1664988), (821, 1581840), (845, 1536912), (936, 1387490), (1014, 1280760), (1040, 1248741), (1170, 1109992), (1352, 960570), (1521, 853840), (1560, 832494), (1642, 790920), (1690, 768456), (1872, 693745), (2028, 640380), (2197, 591120), (2340, 554996), (2463, 527280), (2535, 512304), (2704, 480285), (3042, 426920), (3120, 416247), (3284, 395460), (3380, 384228), (4056, 320190), (4105, 316368), (4394, 295560), (4680, 277498), (4926, 263640), (5070, 256152), (6084, 213460), (6568, 197730), (6591, 197040), (6760, 192114), (7389, 175760), (7605, 170768), (8112, 160095), (8210, 158184), (8788, 147780), (9360, 138749), (9852, 131820), (10140, 128076), (10673, 121680), (10985, 118224), (12168, 106730), (12315, 105456), (13136, 98865), (13182, 98520), (13520, 96057), (14778, 87880), (15210, 85384), (16420, 79092), (17576, 73890), (19704, 65910), (19773, 65680), (20280, 64038), (21346, 60840), (21970, 59112), (24336, 53365), (24630, 52728), (26364, 49260), (29556, 43940), (30420, 42692), (32019, 40560), (32840, 39546), (32955, 39408), (35152, 36945)]