87741540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5477}}^1$

素因数の和:5581

約数の個数: 72

約数和(自身を含む): 269188920

約数和(自身を除く): 181447380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 5477, 8010, 10954, 16020, 16431, 21908, 27385, 32862, 49293, 54770, 65724, 82155, 98586, 109540, 164310, 197172, 246465, 328620, 487453, 492930, 974906, 985860, 1462359, 1949812, 2437265, 2924718, 4387077, 4874530, 5849436, 7311795, 8774154, 9749060, 14623590, 17548308, 21935385, 29247180, 43870770, 87741540]

約数ペア:

[(1, 87741540), (2, 43870770), (3, 29247180), (4, 21935385), (5, 17548308), (6, 14623590), (9, 9749060), (10, 8774154), (12, 7311795), (15, 5849436), (18, 4874530), (20, 4387077), (30, 2924718), (36, 2437265), (45, 1949812), (60, 1462359), (89, 985860), (90, 974906), (178, 492930), (180, 487453), (267, 328620), (356, 246465), (445, 197172), (534, 164310), (801, 109540), (890, 98586), (1068, 82155), (1335, 65724), (1602, 54770), (1780, 49293), (2670, 32862), (3204, 27385), (4005, 21908), (5340, 16431), (5477, 16020), (8010, 10954)]