31578770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 63258624

約数和(自身を除く): 31679854

約数列:

[1, 2, 5, 10, 23, 31, 43, 46, 62, 86, 103, 115, 155, 206, 215, 230, 310, 430, 515, 713, 989, 1030, 1333, 1426, 1978, 2369, 2666, 3193, 3565, 4429, 4738, 4945, 6386, 6665, 7130, 8858, 9890, 11845, 13330, 15965, 22145, 23690, 30659, 31930, 44290, 61318, 73439, 101867, 137299, 146878, 153295, 203734, 274598, 306590, 367195, 509335, 686495, 734390, 1018670, 1372990, 3157877, 6315754, 15789385, 31578770]

約数ペア:

[(1, 31578770), (2, 15789385), (5, 6315754), (10, 3157877), (23, 1372990), (31, 1018670), (43, 734390), (46, 686495), (62, 509335), (86, 367195), (103, 306590), (115, 274598), (155, 203734), (206, 153295), (215, 146878), (230, 137299), (310, 101867), (430, 73439), (515, 61318), (713, 44290), (989, 31930), (1030, 30659), (1333, 23690), (1426, 22145), (1978, 15965), (2369, 13330), (2666, 11845), (3193, 9890), (3565, 8858), (4429, 7130), (4738, 6665), (4945, 6386)]