87961260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 270369792

約数和(自身を除く): 182408532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 131, 155, 186, 190, 228, 262, 285, 310, 361, 372, 380, 393, 465, 524, 570, 589, 620, 655, 722, 786, 930, 1083, 1140, 1178, 1310, 1444, 1572, 1767, 1805, 1860, 1965, 2166, 2356, 2489, 2620, 2945, 3534, 3610, 3930, 4061, 4332, 4978, 5415, 5890, 7068, 7220, 7467, 7860, 8122, 8835, 9956, 10830, 11191, 11780, 12183, 12445, 14934, 16244, 17670, 20305, 21660, 22382, 24366, 24890, 29868, 33573, 35340, 37335, 40610, 44764, 47291, 48732, 49780, 55955, 60915, 67146, 74670, 77159, 81220, 94582, 111910, 121830, 134292, 141873, 149340, 154318, 167865, 189164, 223820, 231477, 236455, 243660, 283746, 308636, 335730, 385795, 462954, 472910, 567492, 671460, 709365, 771590, 925908, 945820, 1157385, 1418730, 1466021, 1543180, 2314770, 2837460, 2932042, 4398063, 4629540, 5864084, 7330105, 8796126, 14660210, 17592252, 21990315, 29320420, 43980630, 87961260]

約数ペア:

[(1, 87961260), (2, 43980630), (3, 29320420), (4, 21990315), (5, 17592252), (6, 14660210), (10, 8796126), (12, 7330105), (15, 5864084), (19, 4629540), (20, 4398063), (30, 2932042), (31, 2837460), (38, 2314770), (57, 1543180), (60, 1466021), (62, 1418730), (76, 1157385), (93, 945820), (95, 925908), (114, 771590), (124, 709365), (131, 671460), (155, 567492), (186, 472910), (190, 462954), (228, 385795), (262, 335730), (285, 308636), (310, 283746), (361, 243660), (372, 236455), (380, 231477), (393, 223820), (465, 189164), (524, 167865), (570, 154318), (589, 149340), (620, 141873), (655, 134292), (722, 121830), (786, 111910), (930, 94582), (1083, 81220), (1140, 77159), (1178, 74670), (1310, 67146), (1444, 60915), (1572, 55955), (1767, 49780), (1805, 48732), (1860, 47291), (1965, 44764), (2166, 40610), (2356, 37335), (2489, 35340), (2620, 33573), (2945, 29868), (3534, 24890), (3610, 24366), (3930, 22382), (4061, 21660), (4332, 20305), (4978, 17670), (5415, 16244), (5890, 14934), (7068, 12445), (7220, 12183), (7467, 11780), (7860, 11191), (8122, 10830), (8835, 9956)]