1978521264

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{487}}^1$

素因数の和:907

約数の個数: 120

約数和(自身を含む): 5628523680

約数和(自身を除く): 3650002416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 317, 356, 487, 534, 634, 712, 801, 951, 974, 1068, 1268, 1424, 1461, 1602, 1902, 1948, 2136, 2536, 2853, 2922, 3204, 3804, 3896, 4272, 4383, 5072, 5706, 5844, 6408, 7608, 7792, 8766, 11412, 11688, 12816, 15216, 17532, 22824, 23376, 28213, 35064, 43343, 45648, 56426, 70128, 84639, 86686, 112852, 130029, 154379, 169278, 173372, 225704, 253917, 260058, 308758, 338556, 346744, 390087, 451408, 463137, 507834, 520116, 617516, 677112, 693488, 780174, 926274, 1015668, 1040232, 1235032, 1354224, 1389411, 1560348, 1852548, 2031336, 2080464, 2470064, 2778822, 3120696, 3705096, 4062672, 5557644, 6241392, 7410192, 11115288, 13739731, 22230576, 27479462, 41219193, 54958924, 82438386, 109917848, 123657579, 164876772, 219835696, 247315158, 329753544, 494630316, 659507088, 989260632, 1978521264]

約数ペア:

[(1, 1978521264), (2, 989260632), (3, 659507088), (4, 494630316), (6, 329753544), (8, 247315158), (9, 219835696), (12, 164876772), (16, 123657579), (18, 109917848), (24, 82438386), (36, 54958924), (48, 41219193), (72, 27479462), (89, 22230576), (144, 13739731), (178, 11115288), (267, 7410192), (317, 6241392), (356, 5557644), (487, 4062672), (534, 3705096), (634, 3120696), (712, 2778822), (801, 2470064), (951, 2080464), (974, 2031336), (1068, 1852548), (1268, 1560348), (1424, 1389411), (1461, 1354224), (1602, 1235032), (1902, 1040232), (1948, 1015668), (2136, 926274), (2536, 780174), (2853, 693488), (2922, 677112), (3204, 617516), (3804, 520116), (3896, 507834), (4272, 463137), (4383, 451408), (5072, 390087), (5706, 346744), (5844, 338556), (6408, 308758), (7608, 260058), (7792, 253917), (8766, 225704), (11412, 173372), (11688, 169278), (12816, 154379), (15216, 130029), (17532, 112852), (22824, 86686), (23376, 84639), (28213, 70128), (35064, 56426), (43343, 45648)]