68365800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2040

約数の個数: 144

約数和(自身を含む): 241800000

約数和(自身を除く): 173434200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 50, 57, 60, 72, 75, 76, 90, 95, 100, 114, 120, 150, 152, 171, 180, 190, 200, 225, 228, 285, 300, 342, 360, 380, 450, 456, 475, 570, 600, 684, 760, 855, 900, 950, 1140, 1368, 1425, 1710, 1800, 1900, 1999, 2280, 2850, 3420, 3800, 3998, 4275, 5700, 5997, 6840, 7996, 8550, 9995, 11400, 11994, 15992, 17100, 17991, 19990, 23988, 29985, 34200, 35982, 37981, 39980, 47976, 49975, 59970, 71964, 75962, 79960, 89955, 99950, 113943, 119940, 143928, 149925, 151924, 179910, 189905, 199900, 227886, 239880, 299850, 303848, 341829, 359820, 379810, 399800, 449775, 455772, 569715, 599700, 683658, 719640, 759620, 899550, 911544, 949525, 1139430, 1199400, 1367316, 1519240, 1709145, 1799100, 1899050, 2278860, 2734632, 2848575, 3418290, 3598200, 3798100, 4557720, 5697150, 6836580, 7596200, 8545725, 11394300, 13673160, 17091450, 22788600, 34182900, 68365800]

約数ペア:

[(1, 68365800), (2, 34182900), (3, 22788600), (4, 17091450), (5, 13673160), (6, 11394300), (8, 8545725), (9, 7596200), (10, 6836580), (12, 5697150), (15, 4557720), (18, 3798100), (19, 3598200), (20, 3418290), (24, 2848575), (25, 2734632), (30, 2278860), (36, 1899050), (38, 1799100), (40, 1709145), (45, 1519240), (50, 1367316), (57, 1199400), (60, 1139430), (72, 949525), (75, 911544), (76, 899550), (90, 759620), (95, 719640), (100, 683658), (114, 599700), (120, 569715), (150, 455772), (152, 449775), (171, 399800), (180, 379810), (190, 359820), (200, 341829), (225, 303848), (228, 299850), (285, 239880), (300, 227886), (342, 199900), (360, 189905), (380, 179910), (450, 151924), (456, 149925), (475, 143928), (570, 119940), (600, 113943), (684, 99950), (760, 89955), (855, 79960), (900, 75962), (950, 71964), (1140, 59970), (1368, 49975), (1425, 47976), (1710, 39980), (1800, 37981), (1900, 35982), (1999, 34200), (2280, 29985), (2850, 23988), (3420, 19990), (3800, 17991), (3998, 17100), (4275, 15992), (5700, 11994), (5997, 11400), (6840, 9995), (7996, 8550)]