278121240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:666

約数の個数: 192

約数和(自身を含む): 966232800

約数和(自身を除く): 688111560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 73, 76, 90, 95, 114, 120, 146, 152, 171, 180, 190, 219, 228, 285, 292, 342, 360, 365, 380, 438, 456, 557, 570, 584, 657, 684, 730, 760, 855, 876, 1095, 1114, 1140, 1314, 1368, 1387, 1460, 1671, 1710, 1752, 2190, 2228, 2280, 2628, 2774, 2785, 2920, 3285, 3342, 3420, 4161, 4380, 4456, 5013, 5256, 5548, 5570, 6570, 6684, 6840, 6935, 8322, 8355, 8760, 10026, 10583, 11096, 11140, 12483, 13140, 13368, 13870, 16644, 16710, 20052, 20805, 21166, 22280, 24966, 25065, 26280, 27740, 31749, 33288, 33420, 40104, 40661, 41610, 42332, 49932, 50130, 52915, 55480, 62415, 63498, 66840, 81322, 83220, 84664, 95247, 99864, 100260, 105830, 121983, 124830, 126996, 158745, 162644, 166440, 190494, 200520, 203305, 211660, 243966, 249660, 253992, 317490, 325288, 365949, 380988, 406610, 423320, 476235, 487932, 499320, 609915, 634980, 731898, 761976, 772559, 813220, 952470, 975864, 1219830, 1269960, 1463796, 1545118, 1626440, 1829745, 1904940, 2317677, 2439660, 2927592, 3090236, 3659490, 3809880, 3862795, 4635354, 4879320, 6180472, 6953031, 7318980, 7725590, 9270708, 11588385, 13906062, 14637960, 15451180, 18541416, 23176770, 27812124, 30902360, 34765155, 46353540, 55624248, 69530310, 92707080, 139060620, 278121240]

約数ペア:

[(1, 278121240), (2, 139060620), (3, 92707080), (4, 69530310), (5, 55624248), (6, 46353540), (8, 34765155), (9, 30902360), (10, 27812124), (12, 23176770), (15, 18541416), (18, 15451180), (19, 14637960), (20, 13906062), (24, 11588385), (30, 9270708), (36, 7725590), (38, 7318980), (40, 6953031), (45, 6180472), (57, 4879320), (60, 4635354), (72, 3862795), (73, 3809880), (76, 3659490), (90, 3090236), (95, 2927592), (114, 2439660), (120, 2317677), (146, 1904940), (152, 1829745), (171, 1626440), (180, 1545118), (190, 1463796), (219, 1269960), (228, 1219830), (285, 975864), (292, 952470), (342, 813220), (360, 772559), (365, 761976), (380, 731898), (438, 634980), (456, 609915), (557, 499320), (570, 487932), (584, 476235), (657, 423320), (684, 406610), (730, 380988), (760, 365949), (855, 325288), (876, 317490), (1095, 253992), (1114, 249660), (1140, 243966), (1314, 211660), (1368, 203305), (1387, 200520), (1460, 190494), (1671, 166440), (1710, 162644), (1752, 158745), (2190, 126996), (2228, 124830), (2280, 121983), (2628, 105830), (2774, 100260), (2785, 99864), (2920, 95247), (3285, 84664), (3342, 83220), (3420, 81322), (4161, 66840), (4380, 63498), (4456, 62415), (5013, 55480), (5256, 52915), (5548, 50130), (5570, 49932), (6570, 42332), (6684, 41610), (6840, 40661), (6935, 40104), (8322, 33420), (8355, 33288), (8760, 31749), (10026, 27740), (10583, 26280), (11096, 25065), (11140, 24966), (12483, 22280), (13140, 21166), (13368, 20805), (13870, 20052), (16644, 16710)]