1640055870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{319699}}^1$

素因数の和:319734

約数の個数: 64

約数和(自身を含む): 4603680000

約数和(自身を除く): 2963624130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 5130, 319699, 639398, 959097, 1598495, 1918194, 2877291, 3196990, 4795485, 5754582, 6074281, 8631873, 9590970, 12148562, 14386455, 17263746, 18222843, 28772910, 30371405, 36445686, 43159365, 54668529, 60742810, 86318730, 91114215, 109337058, 164005587, 182228430, 273342645, 328011174, 546685290, 820027935, 1640055870]

約数ペア:

[(1, 1640055870), (2, 820027935), (3, 546685290), (5, 328011174), (6, 273342645), (9, 182228430), (10, 164005587), (15, 109337058), (18, 91114215), (19, 86318730), (27, 60742810), (30, 54668529), (38, 43159365), (45, 36445686), (54, 30371405), (57, 28772910), (90, 18222843), (95, 17263746), (114, 14386455), (135, 12148562), (171, 9590970), (190, 8631873), (270, 6074281), (285, 5754582), (342, 4795485), (513, 3196990), (570, 2877291), (855, 1918194), (1026, 1598495), (1710, 959097), (2565, 639398), (5130, 319699)]