47611720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 124992000

約数和(自身を除く): 77380280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 61, 65, 76, 79, 95, 104, 122, 130, 152, 158, 190, 244, 247, 260, 305, 316, 380, 395, 488, 494, 520, 610, 632, 760, 790, 793, 988, 1027, 1159, 1220, 1235, 1501, 1580, 1586, 1976, 2054, 2318, 2440, 2470, 3002, 3160, 3172, 3965, 4108, 4636, 4819, 4940, 5135, 5795, 6004, 6344, 7505, 7930, 8216, 9272, 9638, 9880, 10270, 11590, 12008, 15010, 15067, 15860, 19276, 19513, 20540, 23180, 24095, 30020, 30134, 31720, 38552, 39026, 41080, 46360, 48190, 60040, 60268, 62647, 75335, 78052, 91561, 96380, 97565, 120536, 125294, 150670, 156104, 183122, 192760, 195130, 250588, 301340, 313235, 366244, 390260, 457805, 501176, 602680, 626470, 732488, 780520, 915610, 1190293, 1252940, 1831220, 2380586, 2505880, 3662440, 4761172, 5951465, 9522344, 11902930, 23805860, 47611720]

約数ペア:

[(1, 47611720), (2, 23805860), (4, 11902930), (5, 9522344), (8, 5951465), (10, 4761172), (13, 3662440), (19, 2505880), (20, 2380586), (26, 1831220), (38, 1252940), (40, 1190293), (52, 915610), (61, 780520), (65, 732488), (76, 626470), (79, 602680), (95, 501176), (104, 457805), (122, 390260), (130, 366244), (152, 313235), (158, 301340), (190, 250588), (244, 195130), (247, 192760), (260, 183122), (305, 156104), (316, 150670), (380, 125294), (395, 120536), (488, 97565), (494, 96380), (520, 91561), (610, 78052), (632, 75335), (760, 62647), (790, 60268), (793, 60040), (988, 48190), (1027, 46360), (1159, 41080), (1220, 39026), (1235, 38552), (1501, 31720), (1580, 30134), (1586, 30020), (1976, 24095), (2054, 23180), (2318, 20540), (2440, 19513), (2470, 19276), (3002, 15860), (3160, 15067), (3172, 15010), (3965, 12008), (4108, 11590), (4636, 10270), (4819, 9880), (4940, 9638), (5135, 9272), (5795, 8216), (6004, 7930), (6344, 7505)]