28917840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{2459}}^1$

素因数の和:2489

約数の個数: 120

約数和(自身を含む): 104323680

約数和(自身を除く): 75405840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2459, 2940, 3920, 4918, 5880, 7377, 9836, 11760, 12295, 14754, 17213, 19672, 24590, 29508, 34426, 36885, 39344, 49180, 51639, 59016, 68852, 73770, 86065, 98360, 103278, 118032, 120491, 137704, 147540, 172130, 196720, 206556, 240982, 258195, 275408, 295080, 344260, 361473, 413112, 481964, 516390, 590160, 602455, 688520, 722946, 826224, 963928, 1032780, 1204910, 1377040, 1445892, 1807365, 1927856, 2065560, 2409820, 2891784, 3614730, 4131120, 4819640, 5783568, 7229460, 9639280, 14458920, 28917840]

約数ペア:

[(1, 28917840), (2, 14458920), (3, 9639280), (4, 7229460), (5, 5783568), (6, 4819640), (7, 4131120), (8, 3614730), (10, 2891784), (12, 2409820), (14, 2065560), (15, 1927856), (16, 1807365), (20, 1445892), (21, 1377040), (24, 1204910), (28, 1032780), (30, 963928), (35, 826224), (40, 722946), (42, 688520), (48, 602455), (49, 590160), (56, 516390), (60, 481964), (70, 413112), (80, 361473), (84, 344260), (98, 295080), (105, 275408), (112, 258195), (120, 240982), (140, 206556), (147, 196720), (168, 172130), (196, 147540), (210, 137704), (240, 120491), (245, 118032), (280, 103278), (294, 98360), (336, 86065), (392, 73770), (420, 68852), (490, 59016), (560, 51639), (588, 49180), (735, 39344), (784, 36885), (840, 34426), (980, 29508), (1176, 24590), (1470, 19672), (1680, 17213), (1960, 14754), (2352, 12295), (2459, 11760), (2940, 9836), (3920, 7377), (4918, 5880)]