251250480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1628

約数の個数: 240

約数和(自身を含む): 962750880

約数和(自身を除く): 711500400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 1020, 1040, 1105, 1170, 1224, 1326, 1360, 1530, 1560, 1579, 1768, 1872, 1989, 2040, 2210, 2340, 2448, 2652, 3060, 3120, 3158, 3315, 3536, 3978, 4080, 4420, 4680, 4737, 5304, 6120, 6316, 6630, 7895, 7956, 8840, 9360, 9474, 9945, 10608, 12240, 12632, 13260, 14211, 15790, 15912, 17680, 18948, 19890, 20527, 23685, 25264, 26520, 26843, 28422, 31580, 31824, 37896, 39780, 41054, 47370, 53040, 53686, 56844, 61581, 63160, 71055, 75792, 79560, 80529, 82108, 94740, 102635, 107372, 113688, 123162, 126320, 134215, 142110, 159120, 161058, 164216, 184743, 189480, 205270, 214744, 227376, 241587, 246324, 268430, 284220, 307905, 322116, 328432, 348959, 369486, 378960, 402645, 410540, 429488, 483174, 492648, 536860, 568440, 615810, 644232, 697918, 738972, 805290, 821080, 923715, 966348, 985296, 1046877, 1073720, 1136880, 1207935, 1231620, 1288464, 1395836, 1477944, 1610580, 1642160, 1744795, 1847430, 1932696, 2093754, 2147440, 2415870, 2463240, 2791672, 2955888, 3140631, 3221160, 3489590, 3694860, 3865392, 4187508, 4831740, 4926480, 5234385, 5583344, 6281262, 6442320, 6979180, 7389720, 8375016, 9663480, 10468770, 12562524, 13958360, 14779440, 15703155, 16750032, 19326960, 20937540, 25125048, 27916720, 31406310, 41875080, 50250096, 62812620, 83750160, 125625240, 251250480]

約数ペア:

[(1, 251250480), (2, 125625240), (3, 83750160), (4, 62812620), (5, 50250096), (6, 41875080), (8, 31406310), (9, 27916720), (10, 25125048), (12, 20937540), (13, 19326960), (15, 16750032), (16, 15703155), (17, 14779440), (18, 13958360), (20, 12562524), (24, 10468770), (26, 9663480), (30, 8375016), (34, 7389720), (36, 6979180), (39, 6442320), (40, 6281262), (45, 5583344), (48, 5234385), (51, 4926480), (52, 4831740), (60, 4187508), (65, 3865392), (68, 3694860), (72, 3489590), (78, 3221160), (80, 3140631), (85, 2955888), (90, 2791672), (102, 2463240), (104, 2415870), (117, 2147440), (120, 2093754), (130, 1932696), (136, 1847430), (144, 1744795), (153, 1642160), (156, 1610580), (170, 1477944), (180, 1395836), (195, 1288464), (204, 1231620), (208, 1207935), (221, 1136880), (234, 1073720), (240, 1046877), (255, 985296), (260, 966348), (272, 923715), (306, 821080), (312, 805290), (340, 738972), (360, 697918), (390, 644232), (408, 615810), (442, 568440), (468, 536860), (510, 492648), (520, 483174), (585, 429488), (612, 410540), (624, 402645), (663, 378960), (680, 369486), (720, 348959), (765, 328432), (780, 322116), (816, 307905), (884, 284220), (936, 268430), (1020, 246324), (1040, 241587), (1105, 227376), (1170, 214744), (1224, 205270), (1326, 189480), (1360, 184743), (1530, 164216), (1560, 161058), (1579, 159120), (1768, 142110), (1872, 134215), (1989, 126320), (2040, 123162), (2210, 113688), (2340, 107372), (2448, 102635), (2652, 94740), (3060, 82108), (3120, 80529), (3158, 79560), (3315, 75792), (3536, 71055), (3978, 63160), (4080, 61581), (4420, 56844), (4680, 53686), (4737, 53040), (5304, 47370), (6120, 41054), (6316, 39780), (6630, 37896), (7895, 31824), (7956, 31580), (8840, 28422), (9360, 26843), (9474, 26520), (9945, 25264), (10608, 23685), (12240, 20527), (12632, 19890), (13260, 18948), (14211, 17680), (15790, 15912)]