78967980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1$

素因数の和:1645

約数の個数: 192

約数和(自身を含む): 302561280

約数和(自身を除く): 223593300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1607, 1638, 1755, 1820, 1890, 2340, 2457, 2730, 3214, 3276, 3510, 3780, 4095, 4821, 4914, 5460, 6428, 7020, 8035, 8190, 9642, 9828, 11249, 12285, 14463, 16070, 16380, 19284, 20891, 22498, 24105, 24570, 28926, 32140, 33747, 41782, 43389, 44996, 48210, 49140, 56245, 57852, 62673, 67494, 72315, 83564, 86778, 96420, 101241, 104455, 112490, 125346, 134988, 144630, 146237, 168735, 173556, 188019, 202482, 208910, 216945, 224980, 250692, 289260, 292474, 303723, 313365, 337470, 376038, 404964, 417820, 433890, 438711, 506205, 564057, 584948, 607446, 626730, 674940, 731185, 752076, 867780, 877422, 940095, 1012410, 1128114, 1214892, 1253460, 1316133, 1462370, 1518615, 1754844, 1880190, 2024820, 2193555, 2256228, 2632266, 2820285, 2924740, 3037230, 3760380, 3948399, 4387110, 5264532, 5640570, 6074460, 6580665, 7896798, 8774220, 11281140, 13161330, 15793596, 19741995, 26322660, 39483990, 78967980]

約数ペア:

[(1, 78967980), (2, 39483990), (3, 26322660), (4, 19741995), (5, 15793596), (6, 13161330), (7, 11281140), (9, 8774220), (10, 7896798), (12, 6580665), (13, 6074460), (14, 5640570), (15, 5264532), (18, 4387110), (20, 3948399), (21, 3760380), (26, 3037230), (27, 2924740), (28, 2820285), (30, 2632266), (35, 2256228), (36, 2193555), (39, 2024820), (42, 1880190), (45, 1754844), (52, 1518615), (54, 1462370), (60, 1316133), (63, 1253460), (65, 1214892), (70, 1128114), (78, 1012410), (84, 940095), (90, 877422), (91, 867780), (105, 752076), (108, 731185), (117, 674940), (126, 626730), (130, 607446), (135, 584948), (140, 564057), (156, 506205), (180, 438711), (182, 433890), (189, 417820), (195, 404964), (210, 376038), (234, 337470), (252, 313365), (260, 303723), (270, 292474), (273, 289260), (315, 250692), (351, 224980), (364, 216945), (378, 208910), (390, 202482), (420, 188019), (455, 173556), (468, 168735), (540, 146237), (546, 144630), (585, 134988), (630, 125346), (702, 112490), (756, 104455), (780, 101241), (819, 96420), (910, 86778), (945, 83564), (1092, 72315), (1170, 67494), (1260, 62673), (1365, 57852), (1404, 56245), (1607, 49140), (1638, 48210), (1755, 44996), (1820, 43389), (1890, 41782), (2340, 33747), (2457, 32140), (2730, 28926), (3214, 24570), (3276, 24105), (3510, 22498), (3780, 20891), (4095, 19284), (4821, 16380), (4914, 16070), (5460, 14463), (6428, 12285), (7020, 11249), (8035, 9828), (8190, 9642)]