161338880

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 160

約数和(自身を含む): 424258560

約数和(自身を除く): 262919680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 107, 124, 128, 152, 155, 160, 190, 214, 248, 256, 304, 310, 320, 380, 428, 496, 512, 535, 589, 608, 620, 640, 760, 856, 992, 1070, 1178, 1216, 1240, 1280, 1520, 1712, 1984, 2033, 2140, 2356, 2432, 2480, 2560, 2945, 3040, 3317, 3424, 3968, 4066, 4280, 4712, 4864, 4960, 5890, 6080, 6634, 6848, 7936, 8132, 8560, 9424, 9728, 9920, 10165, 11780, 12160, 13268, 13696, 15872, 16264, 16585, 17120, 18848, 19840, 20330, 23560, 24320, 26536, 27392, 32528, 33170, 34240, 37696, 39680, 40660, 47120, 48640, 53072, 54784, 63023, 65056, 66340, 68480, 75392, 79360, 81320, 94240, 106144, 126046, 130112, 132680, 136960, 150784, 162640, 188480, 212288, 252092, 260224, 265360, 273920, 301568, 315115, 325280, 376960, 424576, 504184, 520448, 530720, 630230, 650560, 753920, 849152, 1008368, 1040896, 1061440, 1260460, 1301120, 1507840, 1698304, 2016736, 2122880, 2520920, 2602240, 4033472, 4245760, 5041840, 5204480, 8066944, 8491520, 10083680, 16133888, 20167360, 32267776, 40334720, 80669440, 161338880]

約数ペア:

[(1, 161338880), (2, 80669440), (4, 40334720), (5, 32267776), (8, 20167360), (10, 16133888), (16, 10083680), (19, 8491520), (20, 8066944), (31, 5204480), (32, 5041840), (38, 4245760), (40, 4033472), (62, 2602240), (64, 2520920), (76, 2122880), (80, 2016736), (95, 1698304), (107, 1507840), (124, 1301120), (128, 1260460), (152, 1061440), (155, 1040896), (160, 1008368), (190, 849152), (214, 753920), (248, 650560), (256, 630230), (304, 530720), (310, 520448), (320, 504184), (380, 424576), (428, 376960), (496, 325280), (512, 315115), (535, 301568), (589, 273920), (608, 265360), (620, 260224), (640, 252092), (760, 212288), (856, 188480), (992, 162640), (1070, 150784), (1178, 136960), (1216, 132680), (1240, 130112), (1280, 126046), (1520, 106144), (1712, 94240), (1984, 81320), (2033, 79360), (2140, 75392), (2356, 68480), (2432, 66340), (2480, 65056), (2560, 63023), (2945, 54784), (3040, 53072), (3317, 48640), (3424, 47120), (3968, 40660), (4066, 39680), (4280, 37696), (4712, 34240), (4864, 33170), (4960, 32528), (5890, 27392), (6080, 26536), (6634, 24320), (6848, 23560), (7936, 20330), (8132, 19840), (8560, 18848), (9424, 17120), (9728, 16585), (9920, 16264), (10165, 15872), (11780, 13696), (12160, 13268)]