161135280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1373}}^1$

素因数の和:1555

約数の個数: 120

約数和(自身を含む): 544862448

約数和(自身を除く): 383727168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 326, 360, 489, 652, 720, 815, 978, 1304, 1373, 1467, 1630, 1956, 2445, 2608, 2746, 2934, 3260, 3912, 4119, 4890, 5492, 5868, 6520, 6865, 7335, 7824, 8238, 9780, 10984, 11736, 12357, 13040, 13730, 14670, 16476, 19560, 20595, 21968, 23472, 24714, 27460, 29340, 32952, 39120, 41190, 49428, 54920, 58680, 61785, 65904, 82380, 98856, 109840, 117360, 123570, 164760, 197712, 223799, 247140, 329520, 447598, 494280, 671397, 895196, 988560, 1118995, 1342794, 1790392, 2014191, 2237990, 2685588, 3356985, 3580784, 4028382, 4475980, 5371176, 6713970, 8056764, 8951960, 10070955, 10742352, 13427940, 16113528, 17903920, 20141910, 26855880, 32227056, 40283820, 53711760, 80567640, 161135280]

約数ペア:

[(1, 161135280), (2, 80567640), (3, 53711760), (4, 40283820), (5, 32227056), (6, 26855880), (8, 20141910), (9, 17903920), (10, 16113528), (12, 13427940), (15, 10742352), (16, 10070955), (18, 8951960), (20, 8056764), (24, 6713970), (30, 5371176), (36, 4475980), (40, 4028382), (45, 3580784), (48, 3356985), (60, 2685588), (72, 2237990), (80, 2014191), (90, 1790392), (120, 1342794), (144, 1118995), (163, 988560), (180, 895196), (240, 671397), (326, 494280), (360, 447598), (489, 329520), (652, 247140), (720, 223799), (815, 197712), (978, 164760), (1304, 123570), (1373, 117360), (1467, 109840), (1630, 98856), (1956, 82380), (2445, 65904), (2608, 61785), (2746, 58680), (2934, 54920), (3260, 49428), (3912, 41190), (4119, 39120), (4890, 32952), (5492, 29340), (5868, 27460), (6520, 24714), (6865, 23472), (7335, 21968), (7824, 20595), (8238, 19560), (9780, 16476), (10984, 14670), (11736, 13730), (12357, 13040)]