123809040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:139

約数の個数: 240

約数和(自身を含む): 450685440

約数和(自身を除く): 326876400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 43, 45, 48, 54, 60, 62, 72, 80, 86, 90, 93, 108, 120, 124, 129, 135, 144, 155, 172, 180, 186, 215, 216, 240, 248, 258, 270, 279, 310, 344, 360, 372, 387, 430, 432, 465, 496, 516, 540, 558, 620, 645, 688, 720, 744, 774, 837, 860, 930, 1032, 1080, 1116, 1161, 1240, 1290, 1333, 1395, 1488, 1548, 1674, 1720, 1849, 1860, 1935, 2064, 2160, 2232, 2322, 2480, 2580, 2666, 2790, 3096, 3348, 3440, 3698, 3720, 3870, 3999, 4185, 4464, 4644, 5160, 5332, 5547, 5580, 5805, 6192, 6665, 6696, 7396, 7440, 7740, 7998, 8370, 9245, 9288, 10320, 10664, 11094, 11160, 11610, 11997, 13330, 13392, 14792, 15480, 15996, 16641, 16740, 18490, 18576, 19995, 21328, 22188, 22320, 23220, 23994, 26660, 27735, 29584, 30960, 31992, 33282, 33480, 35991, 36980, 39990, 44376, 46440, 47988, 49923, 53320, 55470, 57319, 59985, 63984, 66564, 66960, 71982, 73960, 79980, 83205, 88752, 92880, 95976, 99846, 106640, 110940, 114638, 119970, 133128, 143964, 147920, 159960, 166410, 171957, 179955, 191952, 199692, 221880, 229276, 239940, 249615, 266256, 286595, 287928, 319920, 332820, 343914, 359910, 399384, 443760, 458552, 479880, 499230, 515871, 573190, 575856, 665640, 687828, 719820, 798768, 859785, 917104, 959760, 998460, 1031742, 1146380, 1331280, 1375656, 1439640, 1547613, 1719570, 1996920, 2063484, 2292760, 2579355, 2751312, 2879280, 3095226, 3439140, 3993840, 4126968, 4585520, 5158710, 6190452, 6878280, 7738065, 8253936, 10317420, 12380904, 13756560, 15476130, 20634840, 24761808, 30952260, 41269680, 61904520, 123809040]

約数ペア:

[(1, 123809040), (2, 61904520), (3, 41269680), (4, 30952260), (5, 24761808), (6, 20634840), (8, 15476130), (9, 13756560), (10, 12380904), (12, 10317420), (15, 8253936), (16, 7738065), (18, 6878280), (20, 6190452), (24, 5158710), (27, 4585520), (30, 4126968), (31, 3993840), (36, 3439140), (40, 3095226), (43, 2879280), (45, 2751312), (48, 2579355), (54, 2292760), (60, 2063484), (62, 1996920), (72, 1719570), (80, 1547613), (86, 1439640), (90, 1375656), (93, 1331280), (108, 1146380), (120, 1031742), (124, 998460), (129, 959760), (135, 917104), (144, 859785), (155, 798768), (172, 719820), (180, 687828), (186, 665640), (215, 575856), (216, 573190), (240, 515871), (248, 499230), (258, 479880), (270, 458552), (279, 443760), (310, 399384), (344, 359910), (360, 343914), (372, 332820), (387, 319920), (430, 287928), (432, 286595), (465, 266256), (496, 249615), (516, 239940), (540, 229276), (558, 221880), (620, 199692), (645, 191952), (688, 179955), (720, 171957), (744, 166410), (774, 159960), (837, 147920), (860, 143964), (930, 133128), (1032, 119970), (1080, 114638), (1116, 110940), (1161, 106640), (1240, 99846), (1290, 95976), (1333, 92880), (1395, 88752), (1488, 83205), (1548, 79980), (1674, 73960), (1720, 71982), (1849, 66960), (1860, 66564), (1935, 63984), (2064, 59985), (2160, 57319), (2232, 55470), (2322, 53320), (2480, 49923), (2580, 47988), (2666, 46440), (2790, 44376), (3096, 39990), (3348, 36980), (3440, 35991), (3698, 33480), (3720, 33282), (3870, 31992), (3999, 30960), (4185, 29584), (4464, 27735), (4644, 26660), (5160, 23994), (5332, 23220), (5547, 22320), (5580, 22188), (5805, 21328), (6192, 19995), (6665, 18576), (6696, 18490), (7396, 16740), (7440, 16641), (7740, 15996), (7998, 15480), (8370, 14792), (9245, 13392), (9288, 13330), (10320, 11997), (10664, 11610), (11094, 11160)]