1286234820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{1051}}^1$

素因数の和:1602

約数の個数: 144

約数和(自身を含む): 4213739712

約数和(自身を除く): 2927504892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 523, 585, 780, 1046, 1051, 1170, 1569, 2092, 2102, 2340, 2615, 3138, 3153, 4204, 4707, 5230, 5255, 6276, 6306, 6799, 7845, 9414, 9459, 10460, 10510, 12612, 13598, 13663, 15690, 15765, 18828, 18918, 20397, 21020, 23535, 27196, 27326, 31380, 31530, 33995, 37836, 40794, 40989, 47070, 47295, 54652, 61191, 63060, 67990, 68315, 81588, 81978, 94140, 94590, 101985, 122382, 122967, 135980, 136630, 163956, 189180, 203970, 204945, 244764, 245934, 273260, 305955, 407940, 409890, 491868, 549673, 611910, 614835, 819780, 1099346, 1223820, 1229670, 1649019, 2198692, 2459340, 2748365, 3298038, 4947057, 5496730, 6596076, 7145749, 8245095, 9894114, 10993460, 14291498, 16490190, 19788228, 21437247, 24735285, 28582996, 32980380, 35728745, 42874494, 49470570, 64311741, 71457490, 85748988, 98941140, 107186235, 128623482, 142914980, 214372470, 257246964, 321558705, 428744940, 643117410, 1286234820]

約数ペア:

[(1, 1286234820), (2, 643117410), (3, 428744940), (4, 321558705), (5, 257246964), (6, 214372470), (9, 142914980), (10, 128623482), (12, 107186235), (13, 98941140), (15, 85748988), (18, 71457490), (20, 64311741), (26, 49470570), (30, 42874494), (36, 35728745), (39, 32980380), (45, 28582996), (52, 24735285), (60, 21437247), (65, 19788228), (78, 16490190), (90, 14291498), (117, 10993460), (130, 9894114), (156, 8245095), (180, 7145749), (195, 6596076), (234, 5496730), (260, 4947057), (390, 3298038), (468, 2748365), (523, 2459340), (585, 2198692), (780, 1649019), (1046, 1229670), (1051, 1223820), (1170, 1099346), (1569, 819780), (2092, 614835), (2102, 611910), (2340, 549673), (2615, 491868), (3138, 409890), (3153, 407940), (4204, 305955), (4707, 273260), (5230, 245934), (5255, 244764), (6276, 204945), (6306, 203970), (6799, 189180), (7845, 163956), (9414, 136630), (9459, 135980), (10460, 122967), (10510, 122382), (12612, 101985), (13598, 94590), (13663, 94140), (15690, 81978), (15765, 81588), (18828, 68315), (18918, 67990), (20397, 63060), (21020, 61191), (23535, 54652), (27196, 47295), (27326, 47070), (31380, 40989), (31530, 40794), (33995, 37836)]