218172720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:443

約数の個数: 160

約数和(自身を含む): 705669120

約数和(自身を除く): 487496400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 79, 80, 111, 120, 148, 158, 185, 222, 237, 240, 296, 311, 316, 370, 395, 444, 474, 555, 592, 622, 632, 740, 790, 888, 933, 948, 1110, 1185, 1244, 1264, 1480, 1555, 1580, 1776, 1866, 1896, 2220, 2370, 2488, 2923, 2960, 3110, 3160, 3732, 3792, 4440, 4665, 4740, 4976, 5846, 6220, 6320, 7464, 8769, 8880, 9330, 9480, 11507, 11692, 12440, 14615, 14928, 17538, 18660, 18960, 23014, 23384, 24569, 24880, 29230, 34521, 35076, 37320, 43845, 46028, 46768, 49138, 57535, 58460, 69042, 70152, 73707, 74640, 87690, 92056, 98276, 115070, 116920, 122845, 138084, 140304, 147414, 172605, 175380, 184112, 196552, 230140, 233840, 245690, 276168, 294828, 345210, 350760, 368535, 393104, 460280, 491380, 552336, 589656, 690420, 701520, 737070, 909053, 920560, 982760, 1179312, 1380840, 1474140, 1818106, 1965520, 2727159, 2761680, 2948280, 3636212, 4545265, 5454318, 5896560, 7272424, 9090530, 10908636, 13635795, 14544848, 18181060, 21817272, 27271590, 36362120, 43634544, 54543180, 72724240, 109086360, 218172720]

約数ペア:

[(1, 218172720), (2, 109086360), (3, 72724240), (4, 54543180), (5, 43634544), (6, 36362120), (8, 27271590), (10, 21817272), (12, 18181060), (15, 14544848), (16, 13635795), (20, 10908636), (24, 9090530), (30, 7272424), (37, 5896560), (40, 5454318), (48, 4545265), (60, 3636212), (74, 2948280), (79, 2761680), (80, 2727159), (111, 1965520), (120, 1818106), (148, 1474140), (158, 1380840), (185, 1179312), (222, 982760), (237, 920560), (240, 909053), (296, 737070), (311, 701520), (316, 690420), (370, 589656), (395, 552336), (444, 491380), (474, 460280), (555, 393104), (592, 368535), (622, 350760), (632, 345210), (740, 294828), (790, 276168), (888, 245690), (933, 233840), (948, 230140), (1110, 196552), (1185, 184112), (1244, 175380), (1264, 172605), (1480, 147414), (1555, 140304), (1580, 138084), (1776, 122845), (1866, 116920), (1896, 115070), (2220, 98276), (2370, 92056), (2488, 87690), (2923, 74640), (2960, 73707), (3110, 70152), (3160, 69042), (3732, 58460), (3792, 57535), (4440, 49138), (4665, 46768), (4740, 46028), (4976, 43845), (5846, 37320), (6220, 35076), (6320, 34521), (7464, 29230), (8769, 24880), (8880, 24569), (9330, 23384), (9480, 23014), (11507, 18960), (11692, 18660), (12440, 17538), (14615, 14928)]