238678440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2032

約数の個数: 256

約数和(自身を含む): 961873920

約数和(自身を除く): 723195480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 52, 55, 56, 60, 65, 66, 70, 77, 78, 84, 88, 91, 104, 105, 110, 120, 130, 132, 140, 143, 154, 156, 165, 168, 182, 195, 210, 220, 231, 260, 264, 273, 280, 286, 308, 312, 330, 364, 385, 390, 420, 429, 440, 455, 462, 520, 546, 572, 616, 660, 715, 728, 770, 780, 840, 858, 910, 924, 1001, 1092, 1144, 1155, 1320, 1365, 1430, 1540, 1560, 1716, 1820, 1848, 1987, 2002, 2145, 2184, 2310, 2730, 2860, 3003, 3080, 3432, 3640, 3974, 4004, 4290, 4620, 5005, 5460, 5720, 5961, 6006, 7948, 8008, 8580, 9240, 9935, 10010, 10920, 11922, 12012, 13909, 15015, 15896, 17160, 19870, 20020, 21857, 23844, 24024, 25831, 27818, 29805, 30030, 39740, 40040, 41727, 43714, 47688, 51662, 55636, 59610, 60060, 65571, 69545, 77493, 79480, 83454, 87428, 103324, 109285, 111272, 119220, 120120, 129155, 131142, 139090, 152999, 154986, 166908, 174856, 180817, 206648, 208635, 218570, 238440, 258310, 262284, 278180, 284141, 305998, 309972, 327855, 333816, 361634, 387465, 417270, 437140, 458997, 516620, 524568, 542451, 556360, 568282, 611996, 619944, 655710, 723268, 764995, 774930, 834540, 852423, 874280, 904085, 917994, 1033240, 1084902, 1136564, 1223992, 1311420, 1420705, 1446536, 1529990, 1549860, 1669080, 1704846, 1808170, 1835988, 1988987, 2169804, 2273128, 2294985, 2622840, 2712255, 2841410, 3059980, 3099720, 3409692, 3616340, 3671976, 3977974, 4262115, 4339608, 4589970, 5424510, 5682820, 5966961, 6119960, 6819384, 7232680, 7955948, 8524230, 9179940, 9944935, 10849020, 11365640, 11933922, 15911896, 17048460, 18359880, 19889870, 21698040, 23867844, 29834805, 34096920, 39779740, 47735688, 59669610, 79559480, 119339220, 238678440]

約数ペア:

[(1, 238678440), (2, 119339220), (3, 79559480), (4, 59669610), (5, 47735688), (6, 39779740), (7, 34096920), (8, 29834805), (10, 23867844), (11, 21698040), (12, 19889870), (13, 18359880), (14, 17048460), (15, 15911896), (20, 11933922), (21, 11365640), (22, 10849020), (24, 9944935), (26, 9179940), (28, 8524230), (30, 7955948), (33, 7232680), (35, 6819384), (39, 6119960), (40, 5966961), (42, 5682820), (44, 5424510), (52, 4589970), (55, 4339608), (56, 4262115), (60, 3977974), (65, 3671976), (66, 3616340), (70, 3409692), (77, 3099720), (78, 3059980), (84, 2841410), (88, 2712255), (91, 2622840), (104, 2294985), (105, 2273128), (110, 2169804), (120, 1988987), (130, 1835988), (132, 1808170), (140, 1704846), (143, 1669080), (154, 1549860), (156, 1529990), (165, 1446536), (168, 1420705), (182, 1311420), (195, 1223992), (210, 1136564), (220, 1084902), (231, 1033240), (260, 917994), (264, 904085), (273, 874280), (280, 852423), (286, 834540), (308, 774930), (312, 764995), (330, 723268), (364, 655710), (385, 619944), (390, 611996), (420, 568282), (429, 556360), (440, 542451), (455, 524568), (462, 516620), (520, 458997), (546, 437140), (572, 417270), (616, 387465), (660, 361634), (715, 333816), (728, 327855), (770, 309972), (780, 305998), (840, 284141), (858, 278180), (910, 262284), (924, 258310), (1001, 238440), (1092, 218570), (1144, 208635), (1155, 206648), (1320, 180817), (1365, 174856), (1430, 166908), (1540, 154986), (1560, 152999), (1716, 139090), (1820, 131142), (1848, 129155), (1987, 120120), (2002, 119220), (2145, 111272), (2184, 109285), (2310, 103324), (2730, 87428), (2860, 83454), (3003, 79480), (3080, 77493), (3432, 69545), (3640, 65571), (3974, 60060), (4004, 59610), (4290, 55636), (4620, 51662), (5005, 47688), (5460, 43714), (5720, 41727), (5961, 40040), (6006, 39740), (7948, 30030), (8008, 29805), (8580, 27818), (9240, 25831), (9935, 24024), (10010, 23844), (10920, 21857), (11922, 20020), (12012, 19870), (13909, 17160), (15015, 15896)]