204490440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2459}}^1$

素因数の和:2497

約数の個数: 256

約数和(自身を含む): 850176000

約数和(自身を除く): 645685560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1890, 1980, 2079, 2310, 2376, 2459, 2520, 2772, 2970, 3080, 3465, 3780, 3960, 4158, 4620, 4918, 5544, 5940, 6930, 7377, 7560, 8316, 9240, 9836, 10395, 11880, 12295, 13860, 14754, 16632, 17213, 19672, 20790, 22131, 24590, 27049, 27720, 29508, 34426, 36885, 41580, 44262, 49180, 51639, 54098, 59016, 66393, 68852, 73770, 81147, 83160, 86065, 88524, 98360, 103278, 108196, 110655, 132786, 135245, 137704, 147540, 154917, 162294, 172130, 177048, 189343, 206556, 216392, 221310, 243441, 258195, 265572, 270490, 295080, 309834, 324588, 331965, 344260, 378686, 405735, 413112, 442620, 464751, 486882, 516390, 531144, 540980, 568029, 619668, 649176, 663930, 688520, 730323, 757372, 774585, 811470, 885240, 929502, 946715, 973764, 1032780, 1081960, 1136058, 1217205, 1239336, 1327860, 1460646, 1514744, 1549170, 1622940, 1704087, 1859004, 1893430, 1947528, 2065560, 2272116, 2323755, 2434410, 2655720, 2840145, 2921292, 3098340, 3245880, 3408174, 3651615, 3718008, 3786860, 4544232, 4647510, 4868820, 5112261, 5680290, 5842584, 6196680, 6816348, 7303230, 7573720, 8520435, 9295020, 9737640, 10224522, 11360580, 13632696, 14606460, 17040870, 18590040, 20449044, 22721160, 25561305, 29212920, 34081740, 40898088, 51122610, 68163480, 102245220, 204490440]

約数ペア:

[(1, 204490440), (2, 102245220), (3, 68163480), (4, 51122610), (5, 40898088), (6, 34081740), (7, 29212920), (8, 25561305), (9, 22721160), (10, 20449044), (11, 18590040), (12, 17040870), (14, 14606460), (15, 13632696), (18, 11360580), (20, 10224522), (21, 9737640), (22, 9295020), (24, 8520435), (27, 7573720), (28, 7303230), (30, 6816348), (33, 6196680), (35, 5842584), (36, 5680290), (40, 5112261), (42, 4868820), (44, 4647510), (45, 4544232), (54, 3786860), (55, 3718008), (56, 3651615), (60, 3408174), (63, 3245880), (66, 3098340), (70, 2921292), (72, 2840145), (77, 2655720), (84, 2434410), (88, 2323755), (90, 2272116), (99, 2065560), (105, 1947528), (108, 1893430), (110, 1859004), (120, 1704087), (126, 1622940), (132, 1549170), (135, 1514744), (140, 1460646), (154, 1327860), (165, 1239336), (168, 1217205), (180, 1136058), (189, 1081960), (198, 1032780), (210, 973764), (216, 946715), (220, 929502), (231, 885240), (252, 811470), (264, 774585), (270, 757372), (280, 730323), (297, 688520), (308, 663930), (315, 649176), (330, 619668), (360, 568029), (378, 540980), (385, 531144), (396, 516390), (420, 486882), (440, 464751), (462, 442620), (495, 413112), (504, 405735), (540, 378686), (594, 344260), (616, 331965), (630, 324588), (660, 309834), (693, 295080), (756, 270490), (770, 265572), (792, 258195), (840, 243441), (924, 221310), (945, 216392), (990, 206556), (1080, 189343), (1155, 177048), (1188, 172130), (1260, 162294), (1320, 154917), (1386, 147540), (1485, 137704), (1512, 135245), (1540, 132786), (1848, 110655), (1890, 108196), (1980, 103278), (2079, 98360), (2310, 88524), (2376, 86065), (2459, 83160), (2520, 81147), (2772, 73770), (2970, 68852), (3080, 66393), (3465, 59016), (3780, 54098), (3960, 51639), (4158, 49180), (4620, 44262), (4918, 41580), (5544, 36885), (5940, 34426), (6930, 29508), (7377, 27720), (7560, 27049), (8316, 24590), (9240, 22131), (9836, 20790), (10395, 19672), (11880, 17213), (12295, 16632), (13860, 14754)]