489874440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5227}}^1$

素因数の和:5323

約数の個数: 128

約数和(自身を含む): 1626117120

約数和(自身を除く): 1136242680

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, 213, 220, 264, 284, 330, 355, 426, 440, 568, 660, 710, 781, 852, 1065, 1320, 1420, 1562, 1704, 2130, 2343, 2840, 3124, 3905, 4260, 4686, 5227, 6248, 7810, 8520, 9372, 10454, 11715, 15620, 15681, 18744, 20908, 23430, 26135, 31240, 31362, 41816, 46860, 52270, 57497, 62724, 78405, 93720, 104540, 114994, 125448, 156810, 172491, 209080, 229988, 287485, 313620, 344982, 371117, 459976, 574970, 627240, 689964, 742234, 862455, 1113351, 1149940, 1379928, 1484468, 1724910, 1855585, 2226702, 2299880, 2968936, 3449820, 3711170, 4082287, 4453404, 5566755, 6899640, 7422340, 8164574, 8906808, 11133510, 12246861, 14844680, 16329148, 20411435, 22267020, 24493722, 32658296, 40822870, 44534040, 48987444, 61234305, 81645740, 97974888, 122468610, 163291480, 244937220, 489874440]

約数ペア:

[(1, 489874440), (2, 244937220), (3, 163291480), (4, 122468610), (5, 97974888), (6, 81645740), (8, 61234305), (10, 48987444), (11, 44534040), (12, 40822870), (15, 32658296), (20, 24493722), (22, 22267020), (24, 20411435), (30, 16329148), (33, 14844680), (40, 12246861), (44, 11133510), (55, 8906808), (60, 8164574), (66, 7422340), (71, 6899640), (88, 5566755), (110, 4453404), (120, 4082287), (132, 3711170), (142, 3449820), (165, 2968936), (213, 2299880), (220, 2226702), (264, 1855585), (284, 1724910), (330, 1484468), (355, 1379928), (426, 1149940), (440, 1113351), (568, 862455), (660, 742234), (710, 689964), (781, 627240), (852, 574970), (1065, 459976), (1320, 371117), (1420, 344982), (1562, 313620), (1704, 287485), (2130, 229988), (2343, 209080), (2840, 172491), (3124, 156810), (3905, 125448), (4260, 114994), (4686, 104540), (5227, 93720), (6248, 78405), (7810, 62724), (8520, 57497), (9372, 52270), (10454, 46860), (11715, 41816), (15620, 31362), (15681, 31240), (18744, 26135), (20908, 23430)]