2051190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 5598720

約数和(自身を除く): 3547530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 107, 135, 142, 213, 214, 270, 321, 355, 426, 535, 639, 642, 710, 963, 1065, 1070, 1278, 1605, 1917, 1926, 2130, 2889, 3195, 3210, 3834, 4815, 5778, 6390, 7597, 9585, 9630, 14445, 15194, 19170, 22791, 28890, 37985, 45582, 68373, 75970, 113955, 136746, 205119, 227910, 341865, 410238, 683730, 1025595, 2051190]

約数ペア:

[(1, 2051190), (2, 1025595), (3, 683730), (5, 410238), (6, 341865), (9, 227910), (10, 205119), (15, 136746), (18, 113955), (27, 75970), (30, 68373), (45, 45582), (54, 37985), (71, 28890), (90, 22791), (107, 19170), (135, 15194), (142, 14445), (213, 9630), (214, 9585), (270, 7597), (321, 6390), (355, 5778), (426, 4815), (535, 3834), (639, 3210), (642, 3195), (710, 2889), (963, 2130), (1065, 1926), (1070, 1917), (1278, 1605)]