398967840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{601}}^1$

素因数の和:1083

約数の個数: 144

約数和(自身を含む): 1366701336

約数和(自身を除く): 967733496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 461, 480, 601, 720, 922, 1202, 1383, 1440, 1803, 1844, 2305, 2404, 2766, 3005, 3606, 3688, 4149, 4610, 4808, 5409, 5532, 6010, 6915, 7212, 7376, 8298, 9015, 9220, 9616, 10818, 11064, 12020, 13830, 14424, 14752, 16596, 18030, 18440, 19232, 20745, 21636, 22128, 24040, 27045, 27660, 28848, 33192, 36060, 36880, 41490, 43272, 44256, 48080, 54090, 55320, 57696, 66384, 72120, 73760, 82980, 86544, 96160, 108180, 110640, 132768, 144240, 165960, 173088, 216360, 221280, 277061, 288480, 331920, 432720, 554122, 663840, 831183, 865440, 1108244, 1385305, 1662366, 2216488, 2493549, 2770610, 3324732, 4155915, 4432976, 4987098, 5541220, 6649464, 8311830, 8865952, 9974196, 11082440, 12467745, 13298928, 16623660, 19948392, 22164880, 24935490, 26597856, 33247320, 39896784, 44329760, 49870980, 66494640, 79793568, 99741960, 132989280, 199483920, 398967840]

約数ペア:

[(1, 398967840), (2, 199483920), (3, 132989280), (4, 99741960), (5, 79793568), (6, 66494640), (8, 49870980), (9, 44329760), (10, 39896784), (12, 33247320), (15, 26597856), (16, 24935490), (18, 22164880), (20, 19948392), (24, 16623660), (30, 13298928), (32, 12467745), (36, 11082440), (40, 9974196), (45, 8865952), (48, 8311830), (60, 6649464), (72, 5541220), (80, 4987098), (90, 4432976), (96, 4155915), (120, 3324732), (144, 2770610), (160, 2493549), (180, 2216488), (240, 1662366), (288, 1385305), (360, 1108244), (461, 865440), (480, 831183), (601, 663840), (720, 554122), (922, 432720), (1202, 331920), (1383, 288480), (1440, 277061), (1803, 221280), (1844, 216360), (2305, 173088), (2404, 165960), (2766, 144240), (3005, 132768), (3606, 110640), (3688, 108180), (4149, 96160), (4610, 86544), (4808, 82980), (5409, 73760), (5532, 72120), (6010, 66384), (6915, 57696), (7212, 55320), (7376, 54090), (8298, 48080), (9015, 44256), (9220, 43272), (9616, 41490), (10818, 36880), (11064, 36060), (12020, 33192), (13830, 28848), (14424, 27660), (14752, 27045), (16596, 24040), (18030, 22128), (18440, 21636), (19232, 20745)]