398785920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1229}}^1$

素因数の和:1277

約数の個数: 192

約数和(自身を含む): 1377550800

約数和(自身を除く): 978764880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 208, 240, 260, 312, 320, 338, 384, 390, 416, 480, 507, 520, 624, 640, 676, 780, 832, 845, 960, 1014, 1040, 1229, 1248, 1352, 1560, 1664, 1690, 1920, 2028, 2080, 2458, 2496, 2535, 2704, 3120, 3380, 3687, 4056, 4160, 4916, 4992, 5070, 5408, 6145, 6240, 6760, 7374, 8112, 8320, 9832, 10140, 10816, 12290, 12480, 13520, 14748, 15977, 16224, 18435, 19664, 20280, 21632, 24580, 24960, 27040, 29496, 31954, 32448, 36870, 39328, 40560, 47931, 49160, 54080, 58992, 63908, 64896, 73740, 78656, 79885, 81120, 95862, 98320, 108160, 117984, 127816, 147480, 157312, 159770, 162240, 191724, 196640, 207701, 235968, 239655, 255632, 294960, 319540, 324480, 383448, 393280, 415402, 471936, 479310, 511264, 589920, 623103, 639080, 766896, 786560, 830804, 958620, 1022528, 1038505, 1179840, 1246206, 1278160, 1533792, 1661608, 1917240, 2045056, 2077010, 2359680, 2492412, 2556320, 3067584, 3115515, 3323216, 3834480, 4154020, 4984824, 5112640, 6135168, 6231030, 6646432, 7668960, 8308040, 9969648, 10225280, 12462060, 13292864, 15337920, 16616080, 19939296, 24924120, 26585728, 30675840, 33232160, 39878592, 49848240, 66464320, 79757184, 99696480, 132928640, 199392960, 398785920]

約数ペア:

[(1, 398785920), (2, 199392960), (3, 132928640), (4, 99696480), (5, 79757184), (6, 66464320), (8, 49848240), (10, 39878592), (12, 33232160), (13, 30675840), (15, 26585728), (16, 24924120), (20, 19939296), (24, 16616080), (26, 15337920), (30, 13292864), (32, 12462060), (39, 10225280), (40, 9969648), (48, 8308040), (52, 7668960), (60, 6646432), (64, 6231030), (65, 6135168), (78, 5112640), (80, 4984824), (96, 4154020), (104, 3834480), (120, 3323216), (128, 3115515), (130, 3067584), (156, 2556320), (160, 2492412), (169, 2359680), (192, 2077010), (195, 2045056), (208, 1917240), (240, 1661608), (260, 1533792), (312, 1278160), (320, 1246206), (338, 1179840), (384, 1038505), (390, 1022528), (416, 958620), (480, 830804), (507, 786560), (520, 766896), (624, 639080), (640, 623103), (676, 589920), (780, 511264), (832, 479310), (845, 471936), (960, 415402), (1014, 393280), (1040, 383448), (1229, 324480), (1248, 319540), (1352, 294960), (1560, 255632), (1664, 239655), (1690, 235968), (1920, 207701), (2028, 196640), (2080, 191724), (2458, 162240), (2496, 159770), (2535, 157312), (2704, 147480), (3120, 127816), (3380, 117984), (3687, 108160), (4056, 98320), (4160, 95862), (4916, 81120), (4992, 79885), (5070, 78656), (5408, 73740), (6145, 64896), (6240, 63908), (6760, 58992), (7374, 54080), (8112, 49160), (8320, 47931), (9832, 40560), (10140, 39328), (10816, 36870), (12290, 32448), (12480, 31954), (13520, 29496), (14748, 27040), (15977, 24960), (16224, 24580), (18435, 21632), (19664, 20280)]