87961860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{9973}}^1$

素因数の和:10002

約数の個数: 108

約数和(自身を含む): 310410828

約数和(自身を除く): 222448968

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 9973, 19946, 29919, 39892, 49865, 59838, 69811, 89757, 99730, 119676, 139622, 149595, 179514, 199460, 209433, 279244, 299190, 349055, 359028, 418866, 448785, 488677, 598380, 628299, 698110, 837732, 897570, 977354, 1047165, 1256598, 1396220, 1466031, 1795140, 1954708, 2094330, 2443385, 2513196, 2932062, 3141495, 4188660, 4398093, 4886770, 5864124, 6282990, 7330155, 8796186, 9773540, 12565980, 14660310, 17592372, 21990465, 29320620, 43980930, 87961860]

約数ペア:

[(1, 87961860), (2, 43980930), (3, 29320620), (4, 21990465), (5, 17592372), (6, 14660310), (7, 12565980), (9, 9773540), (10, 8796186), (12, 7330155), (14, 6282990), (15, 5864124), (18, 4886770), (20, 4398093), (21, 4188660), (28, 3141495), (30, 2932062), (35, 2513196), (36, 2443385), (42, 2094330), (45, 1954708), (49, 1795140), (60, 1466031), (63, 1396220), (70, 1256598), (84, 1047165), (90, 977354), (98, 897570), (105, 837732), (126, 698110), (140, 628299), (147, 598380), (180, 488677), (196, 448785), (210, 418866), (245, 359028), (252, 349055), (294, 299190), (315, 279244), (420, 209433), (441, 199460), (490, 179514), (588, 149595), (630, 139622), (735, 119676), (882, 99730), (980, 89757), (1260, 69811), (1470, 59838), (1764, 49865), (2205, 39892), (2940, 29919), (4410, 19946), (8820, 9973)]