31208970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1861}}^1$

素因数の和:1927

約数の個数: 64

約数和(自身を含む): 82583424

約数和(自身を除く): 51374454

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 1861, 2795, 3354, 3722, 5583, 5590, 8385, 9305, 11166, 16770, 18610, 24193, 27915, 48386, 55830, 72579, 80023, 120965, 145158, 160046, 240069, 241930, 362895, 400115, 480138, 725790, 800230, 1040299, 1200345, 2080598, 2400690, 3120897, 5201495, 6241794, 10402990, 15604485, 31208970]

約数ペア:

[(1, 31208970), (2, 15604485), (3, 10402990), (5, 6241794), (6, 5201495), (10, 3120897), (13, 2400690), (15, 2080598), (26, 1200345), (30, 1040299), (39, 800230), (43, 725790), (65, 480138), (78, 400115), (86, 362895), (129, 241930), (130, 240069), (195, 160046), (215, 145158), (258, 120965), (390, 80023), (430, 72579), (559, 55830), (645, 48386), (1118, 27915), (1290, 24193), (1677, 18610), (1861, 16770), (2795, 11166), (3354, 9305), (3722, 8385), (5583, 5590)]