16440216

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 48384000

約数和(自身を除く): 31943784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 29, 39, 46, 52, 58, 69, 78, 79, 87, 92, 104, 116, 138, 156, 158, 174, 184, 232, 237, 276, 299, 312, 316, 348, 377, 474, 552, 598, 632, 667, 696, 754, 897, 948, 1027, 1131, 1196, 1334, 1508, 1794, 1817, 1896, 2001, 2054, 2262, 2291, 2392, 2668, 3016, 3081, 3588, 3634, 4002, 4108, 4524, 4582, 5336, 5451, 6162, 6873, 7176, 7268, 8004, 8216, 8671, 9048, 9164, 10902, 12324, 13746, 14536, 16008, 17342, 18328, 21804, 23621, 24648, 26013, 27492, 29783, 34684, 43608, 47242, 52026, 52693, 54984, 59566, 69368, 70863, 89349, 94484, 104052, 105386, 119132, 141726, 158079, 178698, 188968, 208104, 210772, 238264, 283452, 316158, 357396, 421544, 566904, 632316, 685009, 714792, 1264632, 1370018, 2055027, 2740036, 4110054, 5480072, 8220108, 16440216]

約数ペア:

[(1, 16440216), (2, 8220108), (3, 5480072), (4, 4110054), (6, 2740036), (8, 2055027), (12, 1370018), (13, 1264632), (23, 714792), (24, 685009), (26, 632316), (29, 566904), (39, 421544), (46, 357396), (52, 316158), (58, 283452), (69, 238264), (78, 210772), (79, 208104), (87, 188968), (92, 178698), (104, 158079), (116, 141726), (138, 119132), (156, 105386), (158, 104052), (174, 94484), (184, 89349), (232, 70863), (237, 69368), (276, 59566), (299, 54984), (312, 52693), (316, 52026), (348, 47242), (377, 43608), (474, 34684), (552, 29783), (598, 27492), (632, 26013), (667, 24648), (696, 23621), (754, 21804), (897, 18328), (948, 17342), (1027, 16008), (1131, 14536), (1196, 13746), (1334, 12324), (1508, 10902), (1794, 9164), (1817, 9048), (1896, 8671), (2001, 8216), (2054, 8004), (2262, 7268), (2291, 7176), (2392, 6873), (2668, 6162), (3016, 5451), (3081, 5336), (3588, 4582), (3634, 4524), (4002, 4108)]