76978980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:586

約数の個数: 144

約数和(自身を含む): 255737664

約数和(自身を除く): 178758684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 67, 78, 90, 117, 130, 134, 156, 180, 195, 201, 234, 260, 268, 335, 390, 402, 468, 491, 585, 603, 670, 780, 804, 871, 982, 1005, 1170, 1206, 1340, 1473, 1742, 1964, 2010, 2340, 2412, 2455, 2613, 2946, 3015, 3484, 4020, 4355, 4419, 4910, 5226, 5892, 6030, 6383, 7365, 7839, 8710, 8838, 9820, 10452, 12060, 12766, 13065, 14730, 15678, 17420, 17676, 19149, 22095, 25532, 26130, 29460, 31356, 31915, 32897, 38298, 39195, 44190, 52260, 57447, 63830, 65794, 76596, 78390, 88380, 95745, 98691, 114894, 127660, 131588, 156780, 164485, 191490, 197382, 229788, 287235, 296073, 328970, 382980, 394764, 427661, 493455, 574470, 592146, 657940, 855322, 986910, 1148940, 1184292, 1282983, 1480365, 1710644, 1973820, 2138305, 2565966, 2960730, 3848949, 4276610, 5131932, 5921460, 6414915, 7697898, 8553220, 12829830, 15395796, 19244745, 25659660, 38489490, 76978980]

約数ペア:

[(1, 76978980), (2, 38489490), (3, 25659660), (4, 19244745), (5, 15395796), (6, 12829830), (9, 8553220), (10, 7697898), (12, 6414915), (13, 5921460), (15, 5131932), (18, 4276610), (20, 3848949), (26, 2960730), (30, 2565966), (36, 2138305), (39, 1973820), (45, 1710644), (52, 1480365), (60, 1282983), (65, 1184292), (67, 1148940), (78, 986910), (90, 855322), (117, 657940), (130, 592146), (134, 574470), (156, 493455), (180, 427661), (195, 394764), (201, 382980), (234, 328970), (260, 296073), (268, 287235), (335, 229788), (390, 197382), (402, 191490), (468, 164485), (491, 156780), (585, 131588), (603, 127660), (670, 114894), (780, 98691), (804, 95745), (871, 88380), (982, 78390), (1005, 76596), (1170, 65794), (1206, 63830), (1340, 57447), (1473, 52260), (1742, 44190), (1964, 39195), (2010, 38298), (2340, 32897), (2412, 31915), (2455, 31356), (2613, 29460), (2946, 26130), (3015, 25532), (3484, 22095), (4020, 19149), (4355, 17676), (4419, 17420), (4910, 15678), (5226, 14730), (5892, 13065), (6030, 12766), (6383, 12060), (7365, 10452), (7839, 9820), (8710, 8838)]