74180820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{739}}^1$

素因数の和:997

約数の個数: 96

約数和(自身を含む): 238694400

約数和(自身を除く): 164513580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 420, 478, 717, 739, 956, 1195, 1434, 1478, 1673, 2217, 2390, 2868, 2956, 3346, 3585, 3695, 4434, 4780, 5019, 5173, 6692, 7170, 7390, 8365, 8868, 10038, 10346, 11085, 14340, 14780, 15519, 16730, 20076, 20692, 22170, 25095, 25865, 31038, 33460, 44340, 50190, 51730, 62076, 77595, 100380, 103460, 155190, 176621, 310380, 353242, 529863, 706484, 883105, 1059726, 1236347, 1766210, 2119452, 2472694, 2649315, 3532420, 3709041, 4945388, 5298630, 6181735, 7418082, 10597260, 12363470, 14836164, 18545205, 24726940, 37090410, 74180820]

約数ペア:

[(1, 74180820), (2, 37090410), (3, 24726940), (4, 18545205), (5, 14836164), (6, 12363470), (7, 10597260), (10, 7418082), (12, 6181735), (14, 5298630), (15, 4945388), (20, 3709041), (21, 3532420), (28, 2649315), (30, 2472694), (35, 2119452), (42, 1766210), (60, 1236347), (70, 1059726), (84, 883105), (105, 706484), (140, 529863), (210, 353242), (239, 310380), (420, 176621), (478, 155190), (717, 103460), (739, 100380), (956, 77595), (1195, 62076), (1434, 51730), (1478, 50190), (1673, 44340), (2217, 33460), (2390, 31038), (2868, 25865), (2956, 25095), (3346, 22170), (3585, 20692), (3695, 20076), (4434, 16730), (4780, 15519), (5019, 14780), (5173, 14340), (6692, 11085), (7170, 10346), (7390, 10038), (8365, 8868)]