31891230

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:470

約数の個数: 96

約数和(自身を含む): 95606784

約数和(自身を除く): 63715554

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 223, 227, 315, 446, 454, 630, 669, 681, 1115, 1135, 1338, 1362, 1561, 1589, 2007, 2043, 2230, 2270, 3122, 3178, 3345, 3405, 4014, 4086, 4683, 4767, 6690, 6810, 7805, 7945, 9366, 9534, 10035, 10215, 14049, 14301, 15610, 15890, 20070, 20430, 23415, 23835, 28098, 28602, 46830, 47670, 50621, 70245, 71505, 101242, 140490, 143010, 151863, 253105, 303726, 354347, 455589, 506210, 708694, 759315, 911178, 1063041, 1518630, 1771735, 2126082, 2277945, 3189123, 3543470, 4555890, 5315205, 6378246, 10630410, 15945615, 31891230]

約数ペア:

[(1, 31891230), (2, 15945615), (3, 10630410), (5, 6378246), (6, 5315205), (7, 4555890), (9, 3543470), (10, 3189123), (14, 2277945), (15, 2126082), (18, 1771735), (21, 1518630), (30, 1063041), (35, 911178), (42, 759315), (45, 708694), (63, 506210), (70, 455589), (90, 354347), (105, 303726), (126, 253105), (210, 151863), (223, 143010), (227, 140490), (315, 101242), (446, 71505), (454, 70245), (630, 50621), (669, 47670), (681, 46830), (1115, 28602), (1135, 28098), (1338, 23835), (1362, 23415), (1561, 20430), (1589, 20070), (2007, 15890), (2043, 15610), (2230, 14301), (2270, 14049), (3122, 10215), (3178, 10035), (3345, 9534), (3405, 9366), (4014, 7945), (4086, 7805), (4683, 6810), (4767, 6690)]