1549380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 144

約数和(自身を含む): 5515776

約数和(自身を除く): 3966396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 31, 34, 35, 42, 49, 51, 60, 62, 68, 70, 84, 85, 93, 98, 102, 105, 119, 124, 140, 147, 155, 170, 186, 196, 204, 210, 217, 238, 245, 255, 294, 310, 340, 357, 372, 420, 434, 465, 476, 490, 510, 527, 588, 595, 620, 651, 714, 735, 833, 868, 930, 980, 1020, 1054, 1085, 1190, 1302, 1428, 1470, 1519, 1581, 1666, 1785, 1860, 2108, 2170, 2380, 2499, 2604, 2635, 2940, 3038, 3162, 3255, 3332, 3570, 3689, 4165, 4340, 4557, 4998, 5270, 6076, 6324, 6510, 7140, 7378, 7595, 7905, 8330, 9114, 9996, 10540, 11067, 12495, 13020, 14756, 15190, 15810, 16660, 18228, 18445, 22134, 22785, 24990, 25823, 30380, 31620, 36890, 44268, 45570, 49980, 51646, 55335, 73780, 77469, 91140, 103292, 110670, 129115, 154938, 221340, 258230, 309876, 387345, 516460, 774690, 1549380]

約数ペア:

[(1, 1549380), (2, 774690), (3, 516460), (4, 387345), (5, 309876), (6, 258230), (7, 221340), (10, 154938), (12, 129115), (14, 110670), (15, 103292), (17, 91140), (20, 77469), (21, 73780), (28, 55335), (30, 51646), (31, 49980), (34, 45570), (35, 44268), (42, 36890), (49, 31620), (51, 30380), (60, 25823), (62, 24990), (68, 22785), (70, 22134), (84, 18445), (85, 18228), (93, 16660), (98, 15810), (102, 15190), (105, 14756), (119, 13020), (124, 12495), (140, 11067), (147, 10540), (155, 9996), (170, 9114), (186, 8330), (196, 7905), (204, 7595), (210, 7378), (217, 7140), (238, 6510), (245, 6324), (255, 6076), (294, 5270), (310, 4998), (340, 4557), (357, 4340), (372, 4165), (420, 3689), (434, 3570), (465, 3332), (476, 3255), (490, 3162), (510, 3038), (527, 2940), (588, 2635), (595, 2604), (620, 2499), (651, 2380), (714, 2170), (735, 2108), (833, 1860), (868, 1785), (930, 1666), (980, 1581), (1020, 1519), (1054, 1470), (1085, 1428), (1190, 1302)]