1809619380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{23767}}^1$

素因数の和:23835

約数の個数: 120

約数和(自身を含む): 5797870848

約数和(自身を除く): 3988251468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 81, 90, 94, 108, 135, 141, 162, 180, 188, 235, 270, 282, 324, 405, 423, 470, 540, 564, 705, 810, 846, 940, 1269, 1410, 1620, 1692, 2115, 2538, 2820, 3807, 4230, 5076, 6345, 7614, 8460, 12690, 15228, 19035, 23767, 25380, 38070, 47534, 71301, 76140, 95068, 118835, 142602, 213903, 237670, 285204, 356505, 427806, 475340, 641709, 713010, 855612, 1069515, 1117049, 1283418, 1426020, 1925127, 2139030, 2234098, 2566836, 3208545, 3351147, 3850254, 4278060, 4468196, 5585245, 6417090, 6702294, 7700508, 9625635, 10053441, 11170490, 12834180, 13404588, 16755735, 19251270, 20106882, 22340980, 30160323, 33511470, 38502540, 40213764, 50267205, 60320646, 67022940, 90480969, 100534410, 120641292, 150801615, 180961938, 201068820, 301603230, 361923876, 452404845, 603206460, 904809690, 1809619380]

約数ペア:

[(1, 1809619380), (2, 904809690), (3, 603206460), (4, 452404845), (5, 361923876), (6, 301603230), (9, 201068820), (10, 180961938), (12, 150801615), (15, 120641292), (18, 100534410), (20, 90480969), (27, 67022940), (30, 60320646), (36, 50267205), (45, 40213764), (47, 38502540), (54, 33511470), (60, 30160323), (81, 22340980), (90, 20106882), (94, 19251270), (108, 16755735), (135, 13404588), (141, 12834180), (162, 11170490), (180, 10053441), (188, 9625635), (235, 7700508), (270, 6702294), (282, 6417090), (324, 5585245), (405, 4468196), (423, 4278060), (470, 3850254), (540, 3351147), (564, 3208545), (705, 2566836), (810, 2234098), (846, 2139030), (940, 1925127), (1269, 1426020), (1410, 1283418), (1620, 1117049), (1692, 1069515), (2115, 855612), (2538, 713010), (2820, 641709), (3807, 475340), (4230, 427806), (5076, 356505), (6345, 285204), (7614, 237670), (8460, 213903), (12690, 142602), (15228, 118835), (19035, 95068), (23767, 76140), (25380, 71301), (38070, 47534)]