1901520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 6770400

約数和(自身を除く): 4868880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 139, 144, 152, 171, 180, 190, 228, 240, 278, 285, 304, 342, 360, 380, 417, 456, 556, 570, 684, 695, 720, 760, 834, 855, 912, 1112, 1140, 1251, 1368, 1390, 1520, 1668, 1710, 2085, 2224, 2280, 2502, 2641, 2736, 2780, 3336, 3420, 4170, 4560, 5004, 5282, 5560, 6255, 6672, 6840, 7923, 8340, 10008, 10564, 11120, 12510, 13205, 13680, 15846, 16680, 20016, 21128, 23769, 25020, 26410, 31692, 33360, 39615, 42256, 47538, 50040, 52820, 63384, 79230, 95076, 100080, 105640, 118845, 126768, 158460, 190152, 211280, 237690, 316920, 380304, 475380, 633840, 950760, 1901520]

約数ペア:

[(1, 1901520), (2, 950760), (3, 633840), (4, 475380), (5, 380304), (6, 316920), (8, 237690), (9, 211280), (10, 190152), (12, 158460), (15, 126768), (16, 118845), (18, 105640), (19, 100080), (20, 95076), (24, 79230), (30, 63384), (36, 52820), (38, 50040), (40, 47538), (45, 42256), (48, 39615), (57, 33360), (60, 31692), (72, 26410), (76, 25020), (80, 23769), (90, 21128), (95, 20016), (114, 16680), (120, 15846), (139, 13680), (144, 13205), (152, 12510), (171, 11120), (180, 10564), (190, 10008), (228, 8340), (240, 7923), (278, 6840), (285, 6672), (304, 6255), (342, 5560), (360, 5282), (380, 5004), (417, 4560), (456, 4170), (556, 3420), (570, 3336), (684, 2780), (695, 2736), (720, 2641), (760, 2502), (834, 2280), (855, 2224), (912, 2085), (1112, 1710), (1140, 1668), (1251, 1520), (1368, 1390)]