20543420880

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3170281}}^1$

素因数の和:3170306

約数の個数: 100

約数和(自身を含む): 71350366692

約数和(自身を除く): 50806945812

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 3170281, 6340562, 9510843, 12681124, 15851405, 19021686, 25362248, 28532529, 31702810, 38043372, 47554215, 50724496, 57065058, 63405620, 76086744, 85597587, 95108430, 114130116, 126811240, 142662645, 152173488, 171195174, 190216860, 228260232, 253622480, 256792761, 285325290, 342390348, 380433720, 427987935, 456520464, 513585522, 570650580, 684780696, 760867440, 855975870, 1027171044, 1141301160, 1283963805, 1369561392, 1711951740, 2054342088, 2282602320, 2567927610, 3423903480, 4108684176, 5135855220, 6847806960, 10271710440, 20543420880]

約数ペア:

[(1, 20543420880), (2, 10271710440), (3, 6847806960), (4, 5135855220), (5, 4108684176), (6, 3423903480), (8, 2567927610), (9, 2282602320), (10, 2054342088), (12, 1711951740), (15, 1369561392), (16, 1283963805), (18, 1141301160), (20, 1027171044), (24, 855975870), (27, 760867440), (30, 684780696), (36, 570650580), (40, 513585522), (45, 456520464), (48, 427987935), (54, 380433720), (60, 342390348), (72, 285325290), (80, 256792761), (81, 253622480), (90, 228260232), (108, 190216860), (120, 171195174), (135, 152173488), (144, 142662645), (162, 126811240), (180, 114130116), (216, 95108430), (240, 85597587), (270, 76086744), (324, 63405620), (360, 57065058), (405, 50724496), (432, 47554215), (540, 38043372), (648, 31702810), (720, 28532529), (810, 25362248), (1080, 19021686), (1296, 15851405), (1620, 12681124), (2160, 9510843), (3240, 6340562), (6480, 3170281)]