428488380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13921}}^1$

素因数の和:13961

約数の個数: 120

約数和(自身を含む): 1415032080

約数和(自身を除く): 986543700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 5130, 6156, 7695, 10260, 13921, 15390, 27842, 30780, 41763, 55684, 69605, 83526, 125289, 139210, 167052, 208815, 250578, 264499, 278420, 375867, 417630, 501156, 528998, 626445, 751734, 793497, 835260, 1057996, 1127601, 1252890, 1322495, 1503468, 1586994, 1879335, 2255202, 2380491, 2505780, 2644990, 3173988, 3758670, 3967485, 4510404, 4760982, 5289980, 5638005, 7141473, 7517340, 7934970, 9521964, 11276010, 11902455, 14282946, 15869940, 21424419, 22552020, 23804910, 28565892, 35707365, 42848838, 47609820, 71414730, 85697676, 107122095, 142829460, 214244190, 428488380]

約数ペア:

[(1, 428488380), (2, 214244190), (3, 142829460), (4, 107122095), (5, 85697676), (6, 71414730), (9, 47609820), (10, 42848838), (12, 35707365), (15, 28565892), (18, 23804910), (19, 22552020), (20, 21424419), (27, 15869940), (30, 14282946), (36, 11902455), (38, 11276010), (45, 9521964), (54, 7934970), (57, 7517340), (60, 7141473), (76, 5638005), (81, 5289980), (90, 4760982), (95, 4510404), (108, 3967485), (114, 3758670), (135, 3173988), (162, 2644990), (171, 2505780), (180, 2380491), (190, 2255202), (228, 1879335), (270, 1586994), (285, 1503468), (324, 1322495), (342, 1252890), (380, 1127601), (405, 1057996), (513, 835260), (540, 793497), (570, 751734), (684, 626445), (810, 528998), (855, 501156), (1026, 417630), (1140, 375867), (1539, 278420), (1620, 264499), (1710, 250578), (2052, 208815), (2565, 167052), (3078, 139210), (3420, 125289), (5130, 83526), (6156, 69605), (7695, 55684), (10260, 41763), (13921, 30780), (15390, 27842)]