281535480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 256

約数和(自身を含む): 991440000

約数和(自身を除く): 709904520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 89, 90, 101, 108, 116, 120, 135, 145, 174, 178, 180, 202, 216, 232, 261, 267, 270, 290, 303, 348, 356, 360, 404, 435, 445, 505, 522, 534, 540, 580, 606, 696, 712, 783, 801, 808, 870, 890, 909, 1010, 1044, 1068, 1080, 1160, 1212, 1305, 1335, 1515, 1566, 1602, 1740, 1780, 1818, 2020, 2088, 2136, 2403, 2424, 2581, 2610, 2670, 2727, 2929, 3030, 3132, 3204, 3480, 3560, 3636, 3915, 4005, 4040, 4545, 4806, 5162, 5220, 5340, 5454, 5858, 6060, 6264, 6408, 7272, 7743, 7830, 8010, 8787, 8989, 9090, 9612, 10324, 10440, 10680, 10908, 11716, 12015, 12120, 12905, 13635, 14645, 15486, 15660, 16020, 17574, 17978, 18180, 19224, 20648, 21816, 23229, 23432, 24030, 25810, 26361, 26967, 27270, 29290, 30972, 31320, 32040, 35148, 35956, 36360, 38715, 43935, 44945, 46458, 48060, 51620, 52722, 53934, 54540, 58580, 61944, 69687, 70296, 71912, 77430, 79083, 80901, 87870, 89890, 92916, 96120, 103240, 105444, 107868, 109080, 116145, 117160, 131805, 134835, 139374, 154860, 158166, 161802, 175740, 179780, 185832, 210888, 215736, 232290, 242703, 260681, 263610, 269670, 278748, 309720, 316332, 323604, 348435, 351480, 359560, 395415, 404505, 464580, 485406, 521362, 527220, 539340, 557496, 632664, 647208, 696870, 782043, 790830, 809010, 929160, 970812, 1042724, 1054440, 1078680, 1213515, 1303405, 1393740, 1564086, 1581660, 1618020, 1941624, 2085448, 2346129, 2427030, 2606810, 2787480, 3128172, 3163320, 3236040, 3910215, 4692258, 4854060, 5213620, 6256344, 7038387, 7820430, 9384516, 9708120, 10427240, 11730645, 14076774, 15640860, 18769032, 23461290, 28153548, 31281720, 35191935, 46922580, 56307096, 70383870, 93845160, 140767740, 281535480]

約数ペア:

[(1, 281535480), (2, 140767740), (3, 93845160), (4, 70383870), (5, 56307096), (6, 46922580), (8, 35191935), (9, 31281720), (10, 28153548), (12, 23461290), (15, 18769032), (18, 15640860), (20, 14076774), (24, 11730645), (27, 10427240), (29, 9708120), (30, 9384516), (36, 7820430), (40, 7038387), (45, 6256344), (54, 5213620), (58, 4854060), (60, 4692258), (72, 3910215), (87, 3236040), (89, 3163320), (90, 3128172), (101, 2787480), (108, 2606810), (116, 2427030), (120, 2346129), (135, 2085448), (145, 1941624), (174, 1618020), (178, 1581660), (180, 1564086), (202, 1393740), (216, 1303405), (232, 1213515), (261, 1078680), (267, 1054440), (270, 1042724), (290, 970812), (303, 929160), (348, 809010), (356, 790830), (360, 782043), (404, 696870), (435, 647208), (445, 632664), (505, 557496), (522, 539340), (534, 527220), (540, 521362), (580, 485406), (606, 464580), (696, 404505), (712, 395415), (783, 359560), (801, 351480), (808, 348435), (870, 323604), (890, 316332), (909, 309720), (1010, 278748), (1044, 269670), (1068, 263610), (1080, 260681), (1160, 242703), (1212, 232290), (1305, 215736), (1335, 210888), (1515, 185832), (1566, 179780), (1602, 175740), (1740, 161802), (1780, 158166), (1818, 154860), (2020, 139374), (2088, 134835), (2136, 131805), (2403, 117160), (2424, 116145), (2581, 109080), (2610, 107868), (2670, 105444), (2727, 103240), (2929, 96120), (3030, 92916), (3132, 89890), (3204, 87870), (3480, 80901), (3560, 79083), (3636, 77430), (3915, 71912), (4005, 70296), (4040, 69687), (4545, 61944), (4806, 58580), (5162, 54540), (5220, 53934), (5340, 52722), (5454, 51620), (5858, 48060), (6060, 46458), (6264, 44945), (6408, 43935), (7272, 38715), (7743, 36360), (7830, 35956), (8010, 35148), (8787, 32040), (8989, 31320), (9090, 30972), (9612, 29290), (10324, 27270), (10440, 26967), (10680, 26361), (10908, 25810), (11716, 24030), (12015, 23432), (12120, 23229), (12905, 21816), (13635, 20648), (14645, 19224), (15486, 18180), (15660, 17978), (16020, 17574)]