2803640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 128

約数和(自身を含む): 8294400

約数和(自身を除く): 5490760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 31, 34, 35, 38, 40, 56, 62, 68, 70, 76, 85, 95, 119, 124, 133, 136, 140, 152, 155, 170, 190, 217, 238, 248, 266, 280, 310, 323, 340, 380, 434, 476, 527, 532, 589, 595, 620, 646, 665, 680, 760, 868, 952, 1054, 1064, 1085, 1178, 1190, 1240, 1292, 1330, 1615, 1736, 2108, 2170, 2261, 2356, 2380, 2584, 2635, 2660, 2945, 3230, 3689, 4123, 4216, 4340, 4522, 4712, 4760, 5270, 5320, 5890, 6460, 7378, 8246, 8680, 9044, 10013, 10540, 11305, 11780, 12920, 14756, 16492, 18088, 18445, 20026, 20615, 21080, 22610, 23560, 29512, 32984, 36890, 40052, 41230, 45220, 50065, 70091, 73780, 80104, 82460, 90440, 100130, 140182, 147560, 164920, 200260, 280364, 350455, 400520, 560728, 700910, 1401820, 2803640]

約数ペア:

[(1, 2803640), (2, 1401820), (4, 700910), (5, 560728), (7, 400520), (8, 350455), (10, 280364), (14, 200260), (17, 164920), (19, 147560), (20, 140182), (28, 100130), (31, 90440), (34, 82460), (35, 80104), (38, 73780), (40, 70091), (56, 50065), (62, 45220), (68, 41230), (70, 40052), (76, 36890), (85, 32984), (95, 29512), (119, 23560), (124, 22610), (133, 21080), (136, 20615), (140, 20026), (152, 18445), (155, 18088), (170, 16492), (190, 14756), (217, 12920), (238, 11780), (248, 11305), (266, 10540), (280, 10013), (310, 9044), (323, 8680), (340, 8246), (380, 7378), (434, 6460), (476, 5890), (527, 5320), (532, 5270), (589, 4760), (595, 4712), (620, 4522), (646, 4340), (665, 4216), (680, 4123), (760, 3689), (868, 3230), (952, 2945), (1054, 2660), (1064, 2635), (1085, 2584), (1178, 2380), (1190, 2356), (1240, 2261), (1292, 2170), (1330, 2108), (1615, 1736)]