81910350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{953}}^1$

素因数の和:1162

約数の個数: 72

約数和(自身を含む): 221450112

約数和(自身を除く): 139539762

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 191, 225, 382, 450, 573, 953, 955, 1146, 1719, 1906, 1910, 2859, 2865, 3438, 4765, 4775, 5718, 5730, 8577, 8595, 9530, 9550, 14295, 14325, 17154, 17190, 23825, 28590, 28650, 42885, 42975, 47650, 71475, 85770, 85950, 142950, 182023, 214425, 364046, 428850, 546069, 910115, 1092138, 1638207, 1820230, 2730345, 3276414, 4550575, 5460690, 8191035, 9101150, 13651725, 16382070, 27303450, 40955175, 81910350]

約数ペア:

[(1, 81910350), (2, 40955175), (3, 27303450), (5, 16382070), (6, 13651725), (9, 9101150), (10, 8191035), (15, 5460690), (18, 4550575), (25, 3276414), (30, 2730345), (45, 1820230), (50, 1638207), (75, 1092138), (90, 910115), (150, 546069), (191, 428850), (225, 364046), (382, 214425), (450, 182023), (573, 142950), (953, 85950), (955, 85770), (1146, 71475), (1719, 47650), (1906, 42975), (1910, 42885), (2859, 28650), (2865, 28590), (3438, 23825), (4765, 17190), (4775, 17154), (5718, 14325), (5730, 14295), (8577, 9550), (8595, 9530)]