156893940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:782

約数の個数: 144

約数和(自身を含む): 547223040

約数和(自身を除く): 390329100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 239, 252, 315, 420, 478, 521, 630, 717, 956, 1042, 1195, 1260, 1434, 1563, 1673, 2084, 2151, 2390, 2605, 2868, 3126, 3346, 3585, 3647, 4302, 4689, 4780, 5019, 5210, 6252, 6692, 7170, 7294, 7815, 8365, 8604, 9378, 10038, 10420, 10755, 10941, 14340, 14588, 15057, 15630, 16730, 18235, 18756, 20076, 21510, 21882, 23445, 25095, 30114, 31260, 32823, 33460, 36470, 43020, 43764, 46890, 50190, 54705, 60228, 65646, 72940, 75285, 93780, 100380, 109410, 124519, 131292, 150570, 164115, 218820, 249038, 301140, 328230, 373557, 498076, 622595, 656460, 747114, 871633, 1120671, 1245190, 1494228, 1743266, 1867785, 2241342, 2490380, 2614899, 3486532, 3735570, 4358165, 4482684, 5229798, 5603355, 7471140, 7844697, 8716330, 10459596, 11206710, 13074495, 15689394, 17432660, 22413420, 26148990, 31378788, 39223485, 52297980, 78446970, 156893940]

約数ペア:

[(1, 156893940), (2, 78446970), (3, 52297980), (4, 39223485), (5, 31378788), (6, 26148990), (7, 22413420), (9, 17432660), (10, 15689394), (12, 13074495), (14, 11206710), (15, 10459596), (18, 8716330), (20, 7844697), (21, 7471140), (28, 5603355), (30, 5229798), (35, 4482684), (36, 4358165), (42, 3735570), (45, 3486532), (60, 2614899), (63, 2490380), (70, 2241342), (84, 1867785), (90, 1743266), (105, 1494228), (126, 1245190), (140, 1120671), (180, 871633), (210, 747114), (239, 656460), (252, 622595), (315, 498076), (420, 373557), (478, 328230), (521, 301140), (630, 249038), (717, 218820), (956, 164115), (1042, 150570), (1195, 131292), (1260, 124519), (1434, 109410), (1563, 100380), (1673, 93780), (2084, 75285), (2151, 72940), (2390, 65646), (2605, 60228), (2868, 54705), (3126, 50190), (3346, 46890), (3585, 43764), (3647, 43020), (4302, 36470), (4689, 33460), (4780, 32823), (5019, 31260), (5210, 30114), (6252, 25095), (6692, 23445), (7170, 21882), (7294, 21510), (7815, 20076), (8365, 18756), (8604, 18235), (9378, 16730), (10038, 15630), (10420, 15057), (10755, 14588), (10941, 14340)]