78548730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 214824960

約数和(自身を除く): 136276230

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 73, 78, 89, 93, 130, 146, 155, 178, 186, 195, 219, 267, 310, 365, 390, 403, 438, 445, 465, 534, 730, 806, 890, 930, 949, 1095, 1157, 1209, 1335, 1898, 2015, 2190, 2263, 2314, 2418, 2670, 2759, 2847, 3471, 4030, 4526, 4745, 5518, 5694, 5785, 6045, 6497, 6789, 6942, 8277, 9490, 11315, 11570, 12090, 12994, 13578, 13795, 14235, 16554, 17355, 19491, 22630, 27590, 28470, 29419, 32485, 33945, 34710, 35867, 38982, 41385, 58838, 64970, 67890, 71734, 82770, 84461, 88257, 97455, 107601, 147095, 168922, 176514, 179335, 194910, 201407, 215202, 253383, 294190, 358670, 402814, 422305, 441285, 506766, 538005, 604221, 844610, 882570, 1007035, 1076010, 1208442, 1266915, 2014070, 2533830, 2618291, 3021105, 5236582, 6042210, 7854873, 13091455, 15709746, 26182910, 39274365, 78548730]

約数ペア:

[(1, 78548730), (2, 39274365), (3, 26182910), (5, 15709746), (6, 13091455), (10, 7854873), (13, 6042210), (15, 5236582), (26, 3021105), (30, 2618291), (31, 2533830), (39, 2014070), (62, 1266915), (65, 1208442), (73, 1076010), (78, 1007035), (89, 882570), (93, 844610), (130, 604221), (146, 538005), (155, 506766), (178, 441285), (186, 422305), (195, 402814), (219, 358670), (267, 294190), (310, 253383), (365, 215202), (390, 201407), (403, 194910), (438, 179335), (445, 176514), (465, 168922), (534, 147095), (730, 107601), (806, 97455), (890, 88257), (930, 84461), (949, 82770), (1095, 71734), (1157, 67890), (1209, 64970), (1335, 58838), (1898, 41385), (2015, 38982), (2190, 35867), (2263, 34710), (2314, 33945), (2418, 32485), (2670, 29419), (2759, 28470), (2847, 27590), (3471, 22630), (4030, 19491), (4526, 17355), (4745, 16554), (5518, 14235), (5694, 13795), (5785, 13578), (6045, 12994), (6497, 12090), (6789, 11570), (6942, 11315), (8277, 9490)]