25173480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 81244800

約数和(自身を除く): 56071320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 61, 76, 95, 114, 120, 122, 152, 181, 183, 190, 228, 244, 285, 305, 362, 366, 380, 456, 488, 543, 570, 610, 724, 732, 760, 905, 915, 1086, 1140, 1159, 1220, 1448, 1464, 1810, 1830, 2172, 2280, 2318, 2440, 2715, 3439, 3477, 3620, 3660, 4344, 4636, 5430, 5795, 6878, 6954, 7240, 7320, 9272, 10317, 10860, 11041, 11590, 13756, 13908, 17195, 17385, 20634, 21720, 22082, 23180, 27512, 27816, 33123, 34390, 34770, 41268, 44164, 46360, 51585, 55205, 66246, 68780, 69540, 82536, 88328, 103170, 110410, 132492, 137560, 139080, 165615, 206340, 209779, 220820, 264984, 331230, 412680, 419558, 441640, 629337, 662460, 839116, 1048895, 1258674, 1324920, 1678232, 2097790, 2517348, 3146685, 4195580, 5034696, 6293370, 8391160, 12586740, 25173480]

約数ペア:

[(1, 25173480), (2, 12586740), (3, 8391160), (4, 6293370), (5, 5034696), (6, 4195580), (8, 3146685), (10, 2517348), (12, 2097790), (15, 1678232), (19, 1324920), (20, 1258674), (24, 1048895), (30, 839116), (38, 662460), (40, 629337), (57, 441640), (60, 419558), (61, 412680), (76, 331230), (95, 264984), (114, 220820), (120, 209779), (122, 206340), (152, 165615), (181, 139080), (183, 137560), (190, 132492), (228, 110410), (244, 103170), (285, 88328), (305, 82536), (362, 69540), (366, 68780), (380, 66246), (456, 55205), (488, 51585), (543, 46360), (570, 44164), (610, 41268), (724, 34770), (732, 34390), (760, 33123), (905, 27816), (915, 27512), (1086, 23180), (1140, 22082), (1159, 21720), (1220, 20634), (1448, 17385), (1464, 17195), (1810, 13908), (1830, 13756), (2172, 11590), (2280, 11041), (2318, 10860), (2440, 10317), (2715, 9272), (3439, 7320), (3477, 7240), (3620, 6954), (3660, 6878), (4344, 5795), (4636, 5430)]