1557235440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1699}}^1$

素因数の和:1804

約数の個数: 240

約数和(自身を含む): 5590416000

約数和(自身を除く): 4033180560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 67, 72, 76, 80, 90, 95, 114, 120, 134, 144, 152, 171, 180, 190, 201, 228, 240, 268, 285, 304, 335, 342, 360, 380, 402, 456, 536, 570, 603, 670, 684, 720, 760, 804, 855, 912, 1005, 1072, 1140, 1206, 1273, 1340, 1368, 1520, 1608, 1699, 1710, 2010, 2280, 2412, 2546, 2680, 2736, 3015, 3216, 3398, 3420, 3819, 4020, 4560, 4824, 5092, 5097, 5360, 6030, 6365, 6796, 6840, 7638, 8040, 8495, 9648, 10184, 10194, 11457, 12060, 12730, 13592, 13680, 15276, 15291, 16080, 16990, 19095, 20368, 20388, 22914, 24120, 25460, 25485, 27184, 30552, 30582, 32281, 33980, 38190, 40776, 45828, 48240, 50920, 50970, 57285, 61104, 61164, 64562, 67960, 76380, 76455, 81552, 91656, 96843, 101840, 101940, 113833, 114570, 122328, 129124, 135920, 152760, 152910, 161405, 183312, 193686, 203880, 227666, 229140, 244656, 258248, 290529, 305520, 305820, 322810, 341499, 387372, 407760, 455332, 458280, 484215, 516496, 569165, 581058, 611640, 645620, 682998, 774744, 910664, 916560, 968430, 1024497, 1138330, 1162116, 1223280, 1291240, 1365996, 1452645, 1549488, 1707495, 1821328, 1936860, 2048994, 2162827, 2276660, 2324232, 2582480, 2731992, 2905290, 3414990, 3873720, 4097988, 4325654, 4553320, 4648464, 5122485, 5463984, 5810580, 6488481, 6829980, 7747440, 8195976, 8651308, 9106640, 10244970, 10814135, 11621160, 12976962, 13659960, 16391952, 17302616, 19465443, 20489940, 21628270, 23242320, 25953924, 27319920, 32442405, 34605232, 38930886, 40979880, 43256540, 51907848, 64884810, 77861772, 81959760, 86513080, 97327215, 103815696, 129769620, 155723544, 173026160, 194654430, 259539240, 311447088, 389308860, 519078480, 778617720, 1557235440]

約数ペア:

[(1, 1557235440), (2, 778617720), (3, 519078480), (4, 389308860), (5, 311447088), (6, 259539240), (8, 194654430), (9, 173026160), (10, 155723544), (12, 129769620), (15, 103815696), (16, 97327215), (18, 86513080), (19, 81959760), (20, 77861772), (24, 64884810), (30, 51907848), (36, 43256540), (38, 40979880), (40, 38930886), (45, 34605232), (48, 32442405), (57, 27319920), (60, 25953924), (67, 23242320), (72, 21628270), (76, 20489940), (80, 19465443), (90, 17302616), (95, 16391952), (114, 13659960), (120, 12976962), (134, 11621160), (144, 10814135), (152, 10244970), (171, 9106640), (180, 8651308), (190, 8195976), (201, 7747440), (228, 6829980), (240, 6488481), (268, 5810580), (285, 5463984), (304, 5122485), (335, 4648464), (342, 4553320), (360, 4325654), (380, 4097988), (402, 3873720), (456, 3414990), (536, 2905290), (570, 2731992), (603, 2582480), (670, 2324232), (684, 2276660), (720, 2162827), (760, 2048994), (804, 1936860), (855, 1821328), (912, 1707495), (1005, 1549488), (1072, 1452645), (1140, 1365996), (1206, 1291240), (1273, 1223280), (1340, 1162116), (1368, 1138330), (1520, 1024497), (1608, 968430), (1699, 916560), (1710, 910664), (2010, 774744), (2280, 682998), (2412, 645620), (2546, 611640), (2680, 581058), (2736, 569165), (3015, 516496), (3216, 484215), (3398, 458280), (3420, 455332), (3819, 407760), (4020, 387372), (4560, 341499), (4824, 322810), (5092, 305820), (5097, 305520), (5360, 290529), (6030, 258248), (6365, 244656), (6796, 229140), (6840, 227666), (7638, 203880), (8040, 193686), (8495, 183312), (9648, 161405), (10184, 152910), (10194, 152760), (11457, 135920), (12060, 129124), (12730, 122328), (13592, 114570), (13680, 113833), (15276, 101940), (15291, 101840), (16080, 96843), (16990, 91656), (19095, 81552), (20368, 76455), (20388, 76380), (22914, 67960), (24120, 64562), (25460, 61164), (25485, 61104), (27184, 57285), (30552, 50970), (30582, 50920), (32281, 48240), (33980, 45828), (38190, 40776)]