168957440

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2183

約数の個数: 80

約数和(自身を含む): 418366080

約数和(自身を除く): 249408640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2129, 2480, 2560, 3968, 4258, 4960, 7936, 8516, 9920, 10645, 15872, 17032, 19840, 21290, 34064, 39680, 42580, 65999, 68128, 79360, 85160, 131998, 136256, 170320, 263996, 272512, 329995, 340640, 527992, 545024, 659990, 681280, 1055984, 1090048, 1319980, 1362560, 2111968, 2639960, 2725120, 4223936, 5279920, 5450240, 8447872, 10559840, 16895744, 21119680, 33791488, 42239360, 84478720, 168957440]

約数ペア:

[(1, 168957440), (2, 84478720), (4, 42239360), (5, 33791488), (8, 21119680), (10, 16895744), (16, 10559840), (20, 8447872), (31, 5450240), (32, 5279920), (40, 4223936), (62, 2725120), (64, 2639960), (80, 2111968), (124, 1362560), (128, 1319980), (155, 1090048), (160, 1055984), (248, 681280), (256, 659990), (310, 545024), (320, 527992), (496, 340640), (512, 329995), (620, 272512), (640, 263996), (992, 170320), (1240, 136256), (1280, 131998), (1984, 85160), (2129, 79360), (2480, 68128), (2560, 65999), (3968, 42580), (4258, 39680), (4960, 34064), (7936, 21290), (8516, 19840), (9920, 17032), (10645, 15872)]