17900520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 59719680

約数和(自身を除く): 41819160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 191, 213, 220, 264, 284, 330, 355, 382, 426, 440, 568, 573, 660, 710, 764, 781, 852, 955, 1065, 1146, 1320, 1420, 1528, 1562, 1704, 1910, 2101, 2130, 2292, 2343, 2840, 2865, 3124, 3820, 3905, 4202, 4260, 4584, 4686, 5730, 6248, 6303, 7640, 7810, 8404, 8520, 9372, 10505, 11460, 11715, 12606, 13561, 15620, 16808, 18744, 21010, 22920, 23430, 25212, 27122, 31240, 31515, 40683, 42020, 46860, 50424, 54244, 63030, 67805, 81366, 84040, 93720, 108488, 126060, 135610, 149171, 162732, 203415, 252120, 271220, 298342, 325464, 406830, 447513, 542440, 596684, 745855, 813660, 895026, 1193368, 1491710, 1627320, 1790052, 2237565, 2983420, 3580104, 4475130, 5966840, 8950260, 17900520]

約数ペア:

[(1, 17900520), (2, 8950260), (3, 5966840), (4, 4475130), (5, 3580104), (6, 2983420), (8, 2237565), (10, 1790052), (11, 1627320), (12, 1491710), (15, 1193368), (20, 895026), (22, 813660), (24, 745855), (30, 596684), (33, 542440), (40, 447513), (44, 406830), (55, 325464), (60, 298342), (66, 271220), (71, 252120), (88, 203415), (110, 162732), (120, 149171), (132, 135610), (142, 126060), (165, 108488), (191, 93720), (213, 84040), (220, 81366), (264, 67805), (284, 63030), (330, 54244), (355, 50424), (382, 46860), (426, 42020), (440, 40683), (568, 31515), (573, 31240), (660, 27122), (710, 25212), (764, 23430), (781, 22920), (852, 21010), (955, 18744), (1065, 16808), (1146, 15620), (1320, 13561), (1420, 12606), (1528, 11715), (1562, 11460), (1704, 10505), (1910, 9372), (2101, 8520), (2130, 8404), (2292, 7810), (2343, 7640), (2840, 6303), (2865, 6248), (3124, 5730), (3820, 4686), (3905, 4584), (4202, 4260)]