18235440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 240

約数和(自身を含む): 68090880

約数和(自身を除く): 49855440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 43, 45, 48, 57, 60, 62, 72, 76, 80, 86, 90, 93, 95, 114, 120, 124, 129, 144, 152, 155, 171, 172, 180, 186, 190, 215, 228, 240, 248, 258, 279, 285, 304, 310, 342, 344, 360, 372, 380, 387, 430, 456, 465, 496, 516, 558, 570, 589, 620, 645, 684, 688, 720, 744, 760, 774, 817, 855, 860, 912, 930, 1032, 1116, 1140, 1178, 1240, 1290, 1333, 1368, 1395, 1488, 1520, 1548, 1634, 1710, 1720, 1767, 1860, 1935, 2064, 2232, 2280, 2356, 2451, 2480, 2580, 2666, 2736, 2790, 2945, 3096, 3268, 3420, 3440, 3534, 3720, 3870, 3999, 4085, 4464, 4560, 4712, 4902, 5160, 5301, 5332, 5580, 5890, 6192, 6536, 6665, 6840, 7068, 7353, 7440, 7740, 7998, 8170, 8835, 9424, 9804, 10320, 10602, 10664, 11160, 11780, 11997, 12255, 13072, 13330, 13680, 14136, 14706, 15480, 15996, 16340, 17670, 19608, 19995, 21204, 21328, 22320, 23560, 23994, 24510, 25327, 26505, 26660, 28272, 29412, 30960, 31992, 32680, 35340, 36765, 39216, 39990, 42408, 47120, 47988, 49020, 50654, 53010, 53320, 58824, 59985, 63984, 65360, 70680, 73530, 75981, 79980, 84816, 95976, 98040, 101308, 106020, 106640, 117648, 119970, 126635, 141360, 147060, 151962, 159960, 191952, 196080, 202616, 212040, 227943, 239940, 253270, 294120, 303924, 319920, 379905, 405232, 424080, 455886, 479880, 506540, 588240, 607848, 759810, 911772, 959760, 1013080, 1139715, 1215696, 1519620, 1823544, 2026160, 2279430, 3039240, 3647088, 4558860, 6078480, 9117720, 18235440]

約数ペア:

[(1, 18235440), (2, 9117720), (3, 6078480), (4, 4558860), (5, 3647088), (6, 3039240), (8, 2279430), (9, 2026160), (10, 1823544), (12, 1519620), (15, 1215696), (16, 1139715), (18, 1013080), (19, 959760), (20, 911772), (24, 759810), (30, 607848), (31, 588240), (36, 506540), (38, 479880), (40, 455886), (43, 424080), (45, 405232), (48, 379905), (57, 319920), (60, 303924), (62, 294120), (72, 253270), (76, 239940), (80, 227943), (86, 212040), (90, 202616), (93, 196080), (95, 191952), (114, 159960), (120, 151962), (124, 147060), (129, 141360), (144, 126635), (152, 119970), (155, 117648), (171, 106640), (172, 106020), (180, 101308), (186, 98040), (190, 95976), (215, 84816), (228, 79980), (240, 75981), (248, 73530), (258, 70680), (279, 65360), (285, 63984), (304, 59985), (310, 58824), (342, 53320), (344, 53010), (360, 50654), (372, 49020), (380, 47988), (387, 47120), (430, 42408), (456, 39990), (465, 39216), (496, 36765), (516, 35340), (558, 32680), (570, 31992), (589, 30960), (620, 29412), (645, 28272), (684, 26660), (688, 26505), (720, 25327), (744, 24510), (760, 23994), (774, 23560), (817, 22320), (855, 21328), (860, 21204), (912, 19995), (930, 19608), (1032, 17670), (1116, 16340), (1140, 15996), (1178, 15480), (1240, 14706), (1290, 14136), (1333, 13680), (1368, 13330), (1395, 13072), (1488, 12255), (1520, 11997), (1548, 11780), (1634, 11160), (1710, 10664), (1720, 10602), (1767, 10320), (1860, 9804), (1935, 9424), (2064, 8835), (2232, 8170), (2280, 7998), (2356, 7740), (2451, 7440), (2480, 7353), (2580, 7068), (2666, 6840), (2736, 6665), (2790, 6536), (2945, 6192), (3096, 5890), (3268, 5580), (3420, 5332), (3440, 5301), (3534, 5160), (3720, 4902), (3870, 4712), (3999, 4560), (4085, 4464)]