47947640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 128217600

約数和(自身を除く): 80269960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 130, 152, 184, 190, 211, 230, 247, 260, 299, 380, 422, 437, 460, 494, 520, 598, 760, 844, 874, 920, 988, 1055, 1196, 1235, 1495, 1688, 1748, 1976, 2110, 2185, 2392, 2470, 2743, 2990, 3496, 4009, 4220, 4370, 4853, 4940, 5486, 5681, 5980, 8018, 8440, 8740, 9706, 9880, 10972, 11362, 11960, 13715, 16036, 17480, 19412, 20045, 21944, 22724, 24265, 27430, 28405, 32072, 38824, 40090, 45448, 48530, 52117, 54860, 56810, 63089, 80180, 92207, 97060, 104234, 109720, 113620, 126178, 160360, 184414, 194120, 208468, 227240, 252356, 260585, 315445, 368828, 416936, 461035, 504712, 521170, 630890, 737656, 922070, 1042340, 1198691, 1261780, 1844140, 2084680, 2397382, 2523560, 3688280, 4794764, 5993455, 9589528, 11986910, 23973820, 47947640]

約数ペア:

[(1, 47947640), (2, 23973820), (4, 11986910), (5, 9589528), (8, 5993455), (10, 4794764), (13, 3688280), (19, 2523560), (20, 2397382), (23, 2084680), (26, 1844140), (38, 1261780), (40, 1198691), (46, 1042340), (52, 922070), (65, 737656), (76, 630890), (92, 521170), (95, 504712), (104, 461035), (115, 416936), (130, 368828), (152, 315445), (184, 260585), (190, 252356), (211, 227240), (230, 208468), (247, 194120), (260, 184414), (299, 160360), (380, 126178), (422, 113620), (437, 109720), (460, 104234), (494, 97060), (520, 92207), (598, 80180), (760, 63089), (844, 56810), (874, 54860), (920, 52117), (988, 48530), (1055, 45448), (1196, 40090), (1235, 38824), (1495, 32072), (1688, 28405), (1748, 27430), (1976, 24265), (2110, 22724), (2185, 21944), (2392, 20045), (2470, 19412), (2743, 17480), (2990, 16036), (3496, 13715), (4009, 11960), (4220, 11362), (4370, 10972), (4853, 9880), (4940, 9706), (5486, 8740), (5681, 8440), (5980, 8018)]