81253440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:429

約数の個数: 168

約数和(自身を含む): 283509720

約数和(自身を除く): 202256280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 89, 90, 96, 120, 144, 160, 178, 180, 192, 240, 267, 288, 317, 320, 356, 360, 445, 480, 534, 576, 634, 712, 720, 801, 890, 951, 960, 1068, 1268, 1335, 1424, 1440, 1585, 1602, 1780, 1902, 2136, 2536, 2670, 2848, 2853, 2880, 3170, 3204, 3560, 3804, 4005, 4272, 4755, 5072, 5340, 5696, 5706, 6340, 6408, 7120, 7608, 8010, 8544, 9510, 10144, 10680, 11412, 12680, 12816, 14240, 14265, 15216, 16020, 17088, 19020, 20288, 21360, 22824, 25360, 25632, 28213, 28480, 28530, 30432, 32040, 38040, 42720, 45648, 50720, 51264, 56426, 57060, 60864, 64080, 76080, 84639, 85440, 91296, 101440, 112852, 114120, 128160, 141065, 152160, 169278, 182592, 225704, 228240, 253917, 256320, 282130, 304320, 338556, 423195, 451408, 456480, 507834, 564260, 677112, 846390, 902816, 912960, 1015668, 1128520, 1269585, 1354224, 1692780, 1805632, 2031336, 2257040, 2539170, 2708448, 3385560, 4062672, 4514080, 5078340, 5416896, 6771120, 8125344, 9028160, 10156680, 13542240, 16250688, 20313360, 27084480, 40626720, 81253440]

約数ペア:

[(1, 81253440), (2, 40626720), (3, 27084480), (4, 20313360), (5, 16250688), (6, 13542240), (8, 10156680), (9, 9028160), (10, 8125344), (12, 6771120), (15, 5416896), (16, 5078340), (18, 4514080), (20, 4062672), (24, 3385560), (30, 2708448), (32, 2539170), (36, 2257040), (40, 2031336), (45, 1805632), (48, 1692780), (60, 1354224), (64, 1269585), (72, 1128520), (80, 1015668), (89, 912960), (90, 902816), (96, 846390), (120, 677112), (144, 564260), (160, 507834), (178, 456480), (180, 451408), (192, 423195), (240, 338556), (267, 304320), (288, 282130), (317, 256320), (320, 253917), (356, 228240), (360, 225704), (445, 182592), (480, 169278), (534, 152160), (576, 141065), (634, 128160), (712, 114120), (720, 112852), (801, 101440), (890, 91296), (951, 85440), (960, 84639), (1068, 76080), (1268, 64080), (1335, 60864), (1424, 57060), (1440, 56426), (1585, 51264), (1602, 50720), (1780, 45648), (1902, 42720), (2136, 38040), (2536, 32040), (2670, 30432), (2848, 28530), (2853, 28480), (2880, 28213), (3170, 25632), (3204, 25360), (3560, 22824), (3804, 21360), (4005, 20288), (4272, 19020), (4755, 17088), (5072, 16020), (5340, 15216), (5696, 14265), (5706, 14240), (6340, 12816), (6408, 12680), (7120, 11412), (7608, 10680), (8010, 10144), (8544, 9510)]