128475720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2129

約数の個数: 160

約数和(自身を含む): 454766400

約数和(自身を除く): 326290680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1368, 1539, 1620, 1710, 2052, 2087, 2280, 2565, 3078, 3240, 3420, 4104, 4174, 5130, 6156, 6261, 6840, 7695, 8348, 10260, 10435, 12312, 12522, 15390, 16696, 18783, 20520, 20870, 25044, 30780, 31305, 37566, 39653, 41740, 50088, 56349, 61560, 62610, 75132, 79306, 83480, 93915, 112698, 118959, 125220, 150264, 158612, 169047, 187830, 198265, 225396, 237918, 250440, 281745, 317224, 338094, 356877, 375660, 396530, 450792, 475836, 563490, 594795, 676188, 713754, 751320, 793060, 845235, 951672, 1070631, 1126980, 1189590, 1352376, 1427508, 1586120, 1690470, 1784385, 2141262, 2253960, 2379180, 2855016, 3211893, 3380940, 3568770, 4282524, 4758360, 5353155, 6423786, 6761880, 7137540, 8565048, 10706310, 12847572, 14275080, 16059465, 21412620, 25695144, 32118930, 42825240, 64237860, 128475720]

約数ペア:

[(1, 128475720), (2, 64237860), (3, 42825240), (4, 32118930), (5, 25695144), (6, 21412620), (8, 16059465), (9, 14275080), (10, 12847572), (12, 10706310), (15, 8565048), (18, 7137540), (19, 6761880), (20, 6423786), (24, 5353155), (27, 4758360), (30, 4282524), (36, 3568770), (38, 3380940), (40, 3211893), (45, 2855016), (54, 2379180), (57, 2253960), (60, 2141262), (72, 1784385), (76, 1690470), (81, 1586120), (90, 1427508), (95, 1352376), (108, 1189590), (114, 1126980), (120, 1070631), (135, 951672), (152, 845235), (162, 793060), (171, 751320), (180, 713754), (190, 676188), (216, 594795), (228, 563490), (270, 475836), (285, 450792), (324, 396530), (342, 375660), (360, 356877), (380, 338094), (405, 317224), (456, 281745), (513, 250440), (540, 237918), (570, 225396), (648, 198265), (684, 187830), (760, 169047), (810, 158612), (855, 150264), (1026, 125220), (1080, 118959), (1140, 112698), (1368, 93915), (1539, 83480), (1620, 79306), (1710, 75132), (2052, 62610), (2087, 61560), (2280, 56349), (2565, 50088), (3078, 41740), (3240, 39653), (3420, 37566), (4104, 31305), (4174, 30780), (5130, 25044), (6156, 20870), (6261, 20520), (6840, 18783), (7695, 16696), (8348, 15390), (10260, 12522), (10435, 12312)]