642437040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{54629}}^1$

素因数の和:54659

約数の個数: 120

約数和(自身を含む): 2316749040

約数和(自身を除く): 1674312000

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, 2940, 3920, 5880, 11760, 54629, 109258, 163887, 218516, 273145, 327774, 382403, 437032, 546290, 655548, 764806, 819435, 874064, 1092580, 1147209, 1311096, 1529612, 1638870, 1912015, 2185160, 2294418, 2622192, 2676821, 3059224, 3277740, 3824030, 4370320, 4588836, 5353642, 5736045, 6118448, 6555480, 7648060, 8030463, 9177672, 10707284, 11472090, 13110960, 13384105, 15296120, 16060926, 18355344, 21414568, 22944180, 26768210, 30592240, 32121852, 40152315, 42829136, 45888360, 53536420, 64243704, 80304630, 91776720, 107072840, 128487408, 160609260, 214145680, 321218520, 642437040]

約数ペア:

[(1, 642437040), (2, 321218520), (3, 214145680), (4, 160609260), (5, 128487408), (6, 107072840), (7, 91776720), (8, 80304630), (10, 64243704), (12, 53536420), (14, 45888360), (15, 42829136), (16, 40152315), (20, 32121852), (21, 30592240), (24, 26768210), (28, 22944180), (30, 21414568), (35, 18355344), (40, 16060926), (42, 15296120), (48, 13384105), (49, 13110960), (56, 11472090), (60, 10707284), (70, 9177672), (80, 8030463), (84, 7648060), (98, 6555480), (105, 6118448), (112, 5736045), (120, 5353642), (140, 4588836), (147, 4370320), (168, 3824030), (196, 3277740), (210, 3059224), (240, 2676821), (245, 2622192), (280, 2294418), (294, 2185160), (336, 1912015), (392, 1638870), (420, 1529612), (490, 1311096), (560, 1147209), (588, 1092580), (735, 874064), (784, 819435), (840, 764806), (980, 655548), (1176, 546290), (1470, 437032), (1680, 382403), (1960, 327774), (2352, 273145), (2940, 218516), (3920, 163887), (5880, 109258), (11760, 54629)]