239879640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2042

約数の個数: 256

約数和(自身を含む): 966712320

約数和(自身を除く): 726832680

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, 1997, 2002, 2145, 2184, 2310, 2730, 2860, 3003, 3080, 3432, 3640, 3994, 4004, 4290, 4620, 5005, 5460, 5720, 5991, 6006, 7988, 8008, 8580, 9240, 9985, 10010, 10920, 11982, 12012, 13979, 15015, 15976, 17160, 19970, 20020, 21967, 23964, 24024, 25961, 27958, 29955, 30030, 39940, 40040, 41937, 43934, 47928, 51922, 55916, 59910, 60060, 65901, 69895, 77883, 79880, 83874, 87868, 103844, 109835, 111832, 119820, 120120, 129805, 131802, 139790, 153769, 155766, 167748, 175736, 181727, 207688, 209685, 219670, 239640, 259610, 263604, 279580, 285571, 307538, 311532, 329505, 335496, 363454, 389415, 419370, 439340, 461307, 519220, 527208, 545181, 559160, 571142, 615076, 623064, 659010, 726908, 768845, 778830, 838740, 856713, 878680, 908635, 922614, 1038440, 1090362, 1142284, 1230152, 1318020, 1427855, 1453816, 1537690, 1557660, 1677480, 1713426, 1817270, 1845228, 1998997, 2180724, 2284568, 2306535, 2636040, 2725905, 2855710, 3075380, 3115320, 3426852, 3634540, 3690456, 3997994, 4283565, 4361448, 4613070, 5451810, 5711420, 5996991, 6150760, 6853704, 7269080, 7995988, 8567130, 9226140, 9994985, 10903620, 11422840, 11993982, 15991976, 17134260, 18452280, 19989970, 21807240, 23987964, 29984955, 34268520, 39979940, 47975928, 59969910, 79959880, 119939820, 239879640]

約数ペア:

[(1, 239879640), (2, 119939820), (3, 79959880), (4, 59969910), (5, 47975928), (6, 39979940), (7, 34268520), (8, 29984955), (10, 23987964), (11, 21807240), (12, 19989970), (13, 18452280), (14, 17134260), (15, 15991976), (20, 11993982), (21, 11422840), (22, 10903620), (24, 9994985), (26, 9226140), (28, 8567130), (30, 7995988), (33, 7269080), (35, 6853704), (39, 6150760), (40, 5996991), (42, 5711420), (44, 5451810), (52, 4613070), (55, 4361448), (56, 4283565), (60, 3997994), (65, 3690456), (66, 3634540), (70, 3426852), (77, 3115320), (78, 3075380), (84, 2855710), (88, 2725905), (91, 2636040), (104, 2306535), (105, 2284568), (110, 2180724), (120, 1998997), (130, 1845228), (132, 1817270), (140, 1713426), (143, 1677480), (154, 1557660), (156, 1537690), (165, 1453816), (168, 1427855), (182, 1318020), (195, 1230152), (210, 1142284), (220, 1090362), (231, 1038440), (260, 922614), (264, 908635), (273, 878680), (280, 856713), (286, 838740), (308, 778830), (312, 768845), (330, 726908), (364, 659010), (385, 623064), (390, 615076), (420, 571142), (429, 559160), (440, 545181), (455, 527208), (462, 519220), (520, 461307), (546, 439340), (572, 419370), (616, 389415), (660, 363454), (715, 335496), (728, 329505), (770, 311532), (780, 307538), (840, 285571), (858, 279580), (910, 263604), (924, 259610), (1001, 239640), (1092, 219670), (1144, 209685), (1155, 207688), (1320, 181727), (1365, 175736), (1430, 167748), (1540, 155766), (1560, 153769), (1716, 139790), (1820, 131802), (1848, 129805), (1997, 120120), (2002, 119820), (2145, 111832), (2184, 109835), (2310, 103844), (2730, 87868), (2860, 83874), (3003, 79880), (3080, 77883), (3432, 69895), (3640, 65901), (3994, 60060), (4004, 59910), (4290, 55916), (4620, 51922), (5005, 47928), (5460, 43934), (5720, 41937), (5991, 40040), (6006, 39940), (7988, 30030), (8008, 29955), (8580, 27958), (9240, 25961), (9985, 24024), (10010, 23964), (10920, 21967), (11982, 20020), (12012, 19970), (13979, 17160), (15015, 15976)]