256951440

素因数分解:

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

素因数の和:2131

約数の個数: 200

約数和(自身を含む): 939850560

約数和(自身を除く): 682899120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 513, 540, 570, 648, 684, 720, 760, 810, 855, 912, 1026, 1080, 1140, 1296, 1368, 1520, 1539, 1620, 1710, 2052, 2087, 2160, 2280, 2565, 2736, 3078, 3240, 3420, 4104, 4174, 4560, 5130, 6156, 6261, 6480, 6840, 7695, 8208, 8348, 10260, 10435, 12312, 12522, 13680, 15390, 16696, 18783, 20520, 20870, 24624, 25044, 30780, 31305, 33392, 37566, 39653, 41040, 41740, 50088, 56349, 61560, 62610, 75132, 79306, 83480, 93915, 100176, 112698, 118959, 123120, 125220, 150264, 158612, 166960, 169047, 187830, 198265, 225396, 237918, 250440, 281745, 300528, 317224, 338094, 356877, 375660, 396530, 450792, 475836, 500880, 563490, 594795, 634448, 676188, 713754, 751320, 793060, 845235, 901584, 951672, 1070631, 1126980, 1189590, 1352376, 1427508, 1502640, 1586120, 1690470, 1784385, 1903344, 2141262, 2253960, 2379180, 2704752, 2855016, 3172240, 3211893, 3380940, 3568770, 4282524, 4507920, 4758360, 5353155, 5710032, 6423786, 6761880, 7137540, 8565048, 9516720, 10706310, 12847572, 13523760, 14275080, 16059465, 17130096, 21412620, 25695144, 28550160, 32118930, 42825240, 51390288, 64237860, 85650480, 128475720, 256951440]

約数ペア:

[(1, 256951440), (2, 128475720), (3, 85650480), (4, 64237860), (5, 51390288), (6, 42825240), (8, 32118930), (9, 28550160), (10, 25695144), (12, 21412620), (15, 17130096), (16, 16059465), (18, 14275080), (19, 13523760), (20, 12847572), (24, 10706310), (27, 9516720), (30, 8565048), (36, 7137540), (38, 6761880), (40, 6423786), (45, 5710032), (48, 5353155), (54, 4758360), (57, 4507920), (60, 4282524), (72, 3568770), (76, 3380940), (80, 3211893), (81, 3172240), (90, 2855016), (95, 2704752), (108, 2379180), (114, 2253960), (120, 2141262), (135, 1903344), (144, 1784385), (152, 1690470), (162, 1586120), (171, 1502640), (180, 1427508), (190, 1352376), (216, 1189590), (228, 1126980), (240, 1070631), (270, 951672), (285, 901584), (304, 845235), (324, 793060), (342, 751320), (360, 713754), (380, 676188), (405, 634448), (432, 594795), (456, 563490), (513, 500880), (540, 475836), (570, 450792), (648, 396530), (684, 375660), (720, 356877), (760, 338094), (810, 317224), (855, 300528), (912, 281745), (1026, 250440), (1080, 237918), (1140, 225396), (1296, 198265), (1368, 187830), (1520, 169047), (1539, 166960), (1620, 158612), (1710, 150264), (2052, 125220), (2087, 123120), (2160, 118959), (2280, 112698), (2565, 100176), (2736, 93915), (3078, 83480), (3240, 79306), (3420, 75132), (4104, 62610), (4174, 61560), (4560, 56349), (5130, 50088), (6156, 41740), (6261, 41040), (6480, 39653), (6840, 37566), (7695, 33392), (8208, 31305), (8348, 30780), (10260, 25044), (10435, 24624), (12312, 20870), (12522, 20520), (13680, 18783), (15390, 16696)]