31509270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 92897280

約数和(自身を除く): 61388010

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 47, 54, 65, 78, 90, 94, 117, 130, 135, 141, 191, 195, 234, 235, 270, 282, 351, 382, 390, 423, 470, 573, 585, 611, 702, 705, 846, 955, 1146, 1170, 1222, 1269, 1410, 1719, 1755, 1833, 1910, 2115, 2483, 2538, 2865, 3055, 3438, 3510, 3666, 4230, 4966, 5157, 5499, 5730, 6110, 6345, 7449, 8595, 8977, 9165, 10314, 10998, 12415, 12690, 14898, 16497, 17190, 17954, 18330, 22347, 24830, 25785, 26931, 27495, 32994, 37245, 44694, 44885, 51570, 53862, 54990, 67041, 74490, 80793, 82485, 89770, 111735, 116701, 134082, 134655, 161586, 164970, 223470, 233402, 242379, 269310, 335205, 350103, 403965, 484758, 583505, 670410, 700206, 807930, 1050309, 1167010, 1211895, 1750515, 2100618, 2423790, 3150927, 3501030, 5251545, 6301854, 10503090, 15754635, 31509270]

約数ペア:

[(1, 31509270), (2, 15754635), (3, 10503090), (5, 6301854), (6, 5251545), (9, 3501030), (10, 3150927), (13, 2423790), (15, 2100618), (18, 1750515), (26, 1211895), (27, 1167010), (30, 1050309), (39, 807930), (45, 700206), (47, 670410), (54, 583505), (65, 484758), (78, 403965), (90, 350103), (94, 335205), (117, 269310), (130, 242379), (135, 233402), (141, 223470), (191, 164970), (195, 161586), (234, 134655), (235, 134082), (270, 116701), (282, 111735), (351, 89770), (382, 82485), (390, 80793), (423, 74490), (470, 67041), (573, 54990), (585, 53862), (611, 51570), (702, 44885), (705, 44694), (846, 37245), (955, 32994), (1146, 27495), (1170, 26931), (1222, 25785), (1269, 24830), (1410, 22347), (1719, 18330), (1755, 17954), (1833, 17190), (1910, 16497), (2115, 14898), (2483, 12690), (2538, 12415), (2865, 10998), (3055, 10314), (3438, 9165), (3510, 8977), (3666, 8595), (4230, 7449), (4966, 6345), (5157, 6110), (5499, 5730)]