1258687575

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{997}}^1$

素因数の和:1225

約数の個数: 72

約数和(自身を含む): 2342377856

約数和(自身を除く): 1083690281

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 181, 225, 279, 465, 543, 775, 905, 997, 1395, 1629, 2325, 2715, 2991, 4525, 4985, 5611, 6975, 8145, 8973, 13575, 14955, 16833, 24925, 28055, 30907, 40725, 44865, 50499, 74775, 84165, 92721, 140275, 154535, 180457, 224325, 252495, 278163, 420825, 463605, 541371, 772675, 902285, 1262475, 1390815, 1624113, 2318025, 2706855, 4511425, 5594167, 6954075, 8120565, 13534275, 16782501, 27970835, 40602825, 50347503, 83912505, 139854175, 251737515, 419562525, 1258687575]

約数ペア:

[(1, 1258687575), (3, 419562525), (5, 251737515), (9, 139854175), (15, 83912505), (25, 50347503), (31, 40602825), (45, 27970835), (75, 16782501), (93, 13534275), (155, 8120565), (181, 6954075), (225, 5594167), (279, 4511425), (465, 2706855), (543, 2318025), (775, 1624113), (905, 1390815), (997, 1262475), (1395, 902285), (1629, 772675), (2325, 541371), (2715, 463605), (2991, 420825), (4525, 278163), (4985, 252495), (5611, 224325), (6975, 180457), (8145, 154535), (8973, 140275), (13575, 92721), (14955, 84165), (16833, 74775), (24925, 50499), (28055, 44865), (30907, 40725)]