881756820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2621}}^1$

素因数の和:2735

約数の個数: 192

約数和(自身を含む): 3171571200

約数和(自身を除く): 2289814380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 89, 90, 105, 108, 126, 135, 140, 178, 180, 189, 210, 252, 267, 270, 315, 356, 378, 420, 445, 534, 540, 623, 630, 756, 801, 890, 945, 1068, 1246, 1260, 1335, 1602, 1780, 1869, 1890, 2403, 2492, 2621, 2670, 3115, 3204, 3738, 3780, 4005, 4806, 5242, 5340, 5607, 6230, 7476, 7863, 8010, 9345, 9612, 10484, 11214, 12015, 12460, 13105, 15726, 16020, 16821, 18347, 18690, 22428, 23589, 24030, 26210, 28035, 31452, 33642, 36694, 37380, 39315, 47178, 48060, 52420, 55041, 56070, 67284, 70767, 73388, 78630, 84105, 91735, 94356, 110082, 112140, 117945, 141534, 157260, 165123, 168210, 183470, 220164, 233269, 235890, 275205, 283068, 330246, 336420, 353835, 366940, 466538, 471780, 495369, 550410, 660492, 699807, 707670, 825615, 933076, 990738, 1100820, 1166345, 1399614, 1415340, 1632883, 1651230, 1981476, 2099421, 2332690, 2476845, 2799228, 3265766, 3302460, 3499035, 4198842, 4665380, 4898649, 4953690, 6298263, 6531532, 6998070, 8164415, 8397684, 9797298, 9907380, 10497105, 12596526, 13996140, 14695947, 16328830, 19594596, 20994210, 24493245, 25193052, 29391894, 31491315, 32657660, 41988420, 44087841, 48986490, 58783788, 62982630, 73479735, 88175682, 97972980, 125965260, 146959470, 176351364, 220439205, 293918940, 440878410, 881756820]

約数ペア:

[(1, 881756820), (2, 440878410), (3, 293918940), (4, 220439205), (5, 176351364), (6, 146959470), (7, 125965260), (9, 97972980), (10, 88175682), (12, 73479735), (14, 62982630), (15, 58783788), (18, 48986490), (20, 44087841), (21, 41988420), (27, 32657660), (28, 31491315), (30, 29391894), (35, 25193052), (36, 24493245), (42, 20994210), (45, 19594596), (54, 16328830), (60, 14695947), (63, 13996140), (70, 12596526), (84, 10497105), (89, 9907380), (90, 9797298), (105, 8397684), (108, 8164415), (126, 6998070), (135, 6531532), (140, 6298263), (178, 4953690), (180, 4898649), (189, 4665380), (210, 4198842), (252, 3499035), (267, 3302460), (270, 3265766), (315, 2799228), (356, 2476845), (378, 2332690), (420, 2099421), (445, 1981476), (534, 1651230), (540, 1632883), (623, 1415340), (630, 1399614), (756, 1166345), (801, 1100820), (890, 990738), (945, 933076), (1068, 825615), (1246, 707670), (1260, 699807), (1335, 660492), (1602, 550410), (1780, 495369), (1869, 471780), (1890, 466538), (2403, 366940), (2492, 353835), (2621, 336420), (2670, 330246), (3115, 283068), (3204, 275205), (3738, 235890), (3780, 233269), (4005, 220164), (4806, 183470), (5242, 168210), (5340, 165123), (5607, 157260), (6230, 141534), (7476, 117945), (7863, 112140), (8010, 110082), (9345, 94356), (9612, 91735), (10484, 84105), (11214, 78630), (12015, 73388), (12460, 70767), (13105, 67284), (15726, 56070), (16020, 55041), (16821, 52420), (18347, 48060), (18690, 47178), (22428, 39315), (23589, 37380), (24030, 36694), (26210, 33642), (28035, 31452)]