239726720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:374

約数の個数: 128

約数和(自身を含む): 607495680

約数和(自身を除く): 367768960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 128, 155, 160, 172, 215, 248, 281, 310, 320, 344, 430, 496, 562, 620, 640, 688, 860, 992, 1124, 1240, 1333, 1376, 1405, 1720, 1984, 2248, 2480, 2666, 2752, 2810, 3440, 3968, 4496, 4960, 5332, 5504, 5620, 6665, 6880, 8711, 8992, 9920, 10664, 11240, 12083, 13330, 13760, 17422, 17984, 19840, 21328, 22480, 24166, 26660, 27520, 34844, 35968, 42656, 43555, 44960, 48332, 53320, 60415, 69688, 85312, 87110, 89920, 96664, 106640, 120830, 139376, 170624, 174220, 179840, 193328, 213280, 241660, 278752, 348440, 374573, 386656, 426560, 483320, 557504, 696880, 749146, 773312, 853120, 966640, 1115008, 1393760, 1498292, 1546624, 1872865, 1933280, 2787520, 2996584, 3745730, 3866560, 5575040, 5993168, 7491460, 7733120, 11986336, 14982920, 23972672, 29965840, 47945344, 59931680, 119863360, 239726720]

約数ペア:

[(1, 239726720), (2, 119863360), (4, 59931680), (5, 47945344), (8, 29965840), (10, 23972672), (16, 14982920), (20, 11986336), (31, 7733120), (32, 7491460), (40, 5993168), (43, 5575040), (62, 3866560), (64, 3745730), (80, 2996584), (86, 2787520), (124, 1933280), (128, 1872865), (155, 1546624), (160, 1498292), (172, 1393760), (215, 1115008), (248, 966640), (281, 853120), (310, 773312), (320, 749146), (344, 696880), (430, 557504), (496, 483320), (562, 426560), (620, 386656), (640, 374573), (688, 348440), (860, 278752), (992, 241660), (1124, 213280), (1240, 193328), (1333, 179840), (1376, 174220), (1405, 170624), (1720, 139376), (1984, 120830), (2248, 106640), (2480, 96664), (2666, 89920), (2752, 87110), (2810, 85312), (3440, 69688), (3968, 60415), (4496, 53320), (4960, 48332), (5332, 44960), (5504, 43555), (5620, 42656), (6665, 35968), (6880, 34844), (8711, 27520), (8992, 26660), (9920, 24166), (10664, 22480), (11240, 21328), (12083, 19840), (13330, 17984), (13760, 17422)]