90631960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 228096000

約数和(自身を除く): 137464040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 43, 46, 58, 79, 86, 92, 115, 116, 145, 158, 172, 184, 215, 230, 232, 290, 316, 344, 395, 430, 460, 580, 632, 667, 790, 860, 920, 989, 1160, 1247, 1334, 1580, 1720, 1817, 1978, 2291, 2494, 2668, 3160, 3335, 3397, 3634, 3956, 4582, 4945, 4988, 5336, 6235, 6670, 6794, 7268, 7912, 9085, 9164, 9890, 9976, 11455, 12470, 13340, 13588, 14536, 16985, 18170, 18328, 19780, 22910, 24940, 26680, 27176, 28681, 33970, 36340, 39560, 45820, 49880, 52693, 57362, 67940, 72680, 78131, 91640, 98513, 105386, 114724, 135880, 143405, 156262, 197026, 210772, 229448, 263465, 286810, 312524, 390655, 394052, 421544, 492565, 526930, 573620, 625048, 781310, 788104, 985130, 1053860, 1147240, 1562620, 1970260, 2107720, 2265799, 3125240, 3940520, 4531598, 9063196, 11328995, 18126392, 22657990, 45315980, 90631960]

約数ペア:

[(1, 90631960), (2, 45315980), (4, 22657990), (5, 18126392), (8, 11328995), (10, 9063196), (20, 4531598), (23, 3940520), (29, 3125240), (40, 2265799), (43, 2107720), (46, 1970260), (58, 1562620), (79, 1147240), (86, 1053860), (92, 985130), (115, 788104), (116, 781310), (145, 625048), (158, 573620), (172, 526930), (184, 492565), (215, 421544), (230, 394052), (232, 390655), (290, 312524), (316, 286810), (344, 263465), (395, 229448), (430, 210772), (460, 197026), (580, 156262), (632, 143405), (667, 135880), (790, 114724), (860, 105386), (920, 98513), (989, 91640), (1160, 78131), (1247, 72680), (1334, 67940), (1580, 57362), (1720, 52693), (1817, 49880), (1978, 45820), (2291, 39560), (2494, 36340), (2668, 33970), (3160, 28681), (3335, 27176), (3397, 26680), (3634, 24940), (3956, 22910), (4582, 19780), (4945, 18328), (4988, 18170), (5336, 16985), (6235, 14536), (6670, 13588), (6794, 13340), (7268, 12470), (7912, 11455), (9085, 9976), (9164, 9890)]