87372880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:777

約数の個数: 120

約数和(自身を含む): 244270080

約数和(自身を除く): 156897200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 719, 784, 868, 980, 1085, 1240, 1438, 1519, 1736, 1960, 2170, 2480, 2876, 3038, 3472, 3595, 3920, 4340, 5033, 5752, 6076, 7190, 7595, 8680, 10066, 11504, 12152, 14380, 15190, 17360, 20132, 22289, 24304, 25165, 28760, 30380, 35231, 40264, 44578, 50330, 57520, 60760, 70462, 80528, 89156, 100660, 111445, 121520, 140924, 156023, 176155, 178312, 201320, 222890, 281848, 312046, 352310, 356624, 402640, 445780, 563696, 624092, 704620, 780115, 891560, 1092161, 1248184, 1409240, 1560230, 1783120, 2184322, 2496368, 2818480, 3120460, 4368644, 5460805, 6240920, 8737288, 10921610, 12481840, 17474576, 21843220, 43686440, 87372880]

約数ペア:

[(1, 87372880), (2, 43686440), (4, 21843220), (5, 17474576), (7, 12481840), (8, 10921610), (10, 8737288), (14, 6240920), (16, 5460805), (20, 4368644), (28, 3120460), (31, 2818480), (35, 2496368), (40, 2184322), (49, 1783120), (56, 1560230), (62, 1409240), (70, 1248184), (80, 1092161), (98, 891560), (112, 780115), (124, 704620), (140, 624092), (155, 563696), (196, 445780), (217, 402640), (245, 356624), (248, 352310), (280, 312046), (310, 281848), (392, 222890), (434, 201320), (490, 178312), (496, 176155), (560, 156023), (620, 140924), (719, 121520), (784, 111445), (868, 100660), (980, 89156), (1085, 80528), (1240, 70462), (1438, 60760), (1519, 57520), (1736, 50330), (1960, 44578), (2170, 40264), (2480, 35231), (2876, 30380), (3038, 28760), (3472, 25165), (3595, 24304), (3920, 22289), (4340, 20132), (5033, 17360), (5752, 15190), (6076, 14380), (7190, 12152), (7595, 11504), (8680, 10066)]