78716820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1109}}^1$

素因数の和:1154

約数の個数: 144

約数和(自身を含む): 273006720

約数和(自身を除く): 194289900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1109, 1183, 1365, 1690, 1820, 2028, 2218, 2366, 2535, 2730, 3327, 3380, 3549, 4436, 4732, 5070, 5460, 5545, 5915, 6654, 7098, 7763, 10140, 11090, 11830, 13308, 14196, 14417, 15526, 16635, 17745, 22180, 23289, 23660, 28834, 31052, 33270, 35490, 38815, 43251, 46578, 57668, 66540, 70980, 72085, 77630, 86502, 93156, 100919, 116445, 144170, 155260, 173004, 187421, 201838, 216255, 232890, 288340, 302757, 374842, 403676, 432510, 465780, 504595, 562263, 605514, 749684, 865020, 937105, 1009190, 1124526, 1211028, 1311947, 1513785, 1874210, 2018380, 2249052, 2623894, 2811315, 3027570, 3748420, 3935841, 5247788, 5622630, 6055140, 6559735, 7871682, 11245260, 13119470, 15743364, 19679205, 26238940, 39358410, 78716820]

約数ペア:

[(1, 78716820), (2, 39358410), (3, 26238940), (4, 19679205), (5, 15743364), (6, 13119470), (7, 11245260), (10, 7871682), (12, 6559735), (13, 6055140), (14, 5622630), (15, 5247788), (20, 3935841), (21, 3748420), (26, 3027570), (28, 2811315), (30, 2623894), (35, 2249052), (39, 2018380), (42, 1874210), (52, 1513785), (60, 1311947), (65, 1211028), (70, 1124526), (78, 1009190), (84, 937105), (91, 865020), (105, 749684), (130, 605514), (140, 562263), (156, 504595), (169, 465780), (182, 432510), (195, 403676), (210, 374842), (260, 302757), (273, 288340), (338, 232890), (364, 216255), (390, 201838), (420, 187421), (455, 173004), (507, 155260), (546, 144170), (676, 116445), (780, 100919), (845, 93156), (910, 86502), (1014, 77630), (1092, 72085), (1109, 70980), (1183, 66540), (1365, 57668), (1690, 46578), (1820, 43251), (2028, 38815), (2218, 35490), (2366, 33270), (2535, 31052), (2730, 28834), (3327, 23660), (3380, 23289), (3549, 22180), (4436, 17745), (4732, 16635), (5070, 15526), (5460, 14417), (5545, 14196), (5915, 13308), (6654, 11830), (7098, 11090), (7763, 10140)]