31939440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:411

約数の個数: 160

約数和(自身を含む): 110617920

約数和(自身を除く): 78678480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 39, 40, 48, 52, 58, 60, 65, 78, 80, 87, 104, 116, 120, 130, 145, 156, 174, 195, 208, 232, 240, 260, 290, 312, 348, 353, 377, 390, 435, 464, 520, 580, 624, 696, 706, 754, 780, 870, 1040, 1059, 1131, 1160, 1392, 1412, 1508, 1560, 1740, 1765, 1885, 2118, 2262, 2320, 2824, 3016, 3120, 3480, 3530, 3770, 4236, 4524, 4589, 5295, 5648, 5655, 6032, 6960, 7060, 7540, 8472, 9048, 9178, 10237, 10590, 11310, 13767, 14120, 15080, 16944, 18096, 18356, 20474, 21180, 22620, 22945, 27534, 28240, 30160, 30711, 36712, 40948, 42360, 45240, 45890, 51185, 55068, 61422, 68835, 73424, 81896, 84720, 90480, 91780, 102370, 110136, 122844, 133081, 137670, 153555, 163792, 183560, 204740, 220272, 245688, 266162, 275340, 307110, 367120, 399243, 409480, 491376, 532324, 550680, 614220, 665405, 798486, 818960, 1064648, 1101360, 1228440, 1330810, 1596972, 1996215, 2129296, 2456880, 2661620, 3193944, 3992430, 5323240, 6387888, 7984860, 10646480, 15969720, 31939440]

約数ペア:

[(1, 31939440), (2, 15969720), (3, 10646480), (4, 7984860), (5, 6387888), (6, 5323240), (8, 3992430), (10, 3193944), (12, 2661620), (13, 2456880), (15, 2129296), (16, 1996215), (20, 1596972), (24, 1330810), (26, 1228440), (29, 1101360), (30, 1064648), (39, 818960), (40, 798486), (48, 665405), (52, 614220), (58, 550680), (60, 532324), (65, 491376), (78, 409480), (80, 399243), (87, 367120), (104, 307110), (116, 275340), (120, 266162), (130, 245688), (145, 220272), (156, 204740), (174, 183560), (195, 163792), (208, 153555), (232, 137670), (240, 133081), (260, 122844), (290, 110136), (312, 102370), (348, 91780), (353, 90480), (377, 84720), (390, 81896), (435, 73424), (464, 68835), (520, 61422), (580, 55068), (624, 51185), (696, 45890), (706, 45240), (754, 42360), (780, 40948), (870, 36712), (1040, 30711), (1059, 30160), (1131, 28240), (1160, 27534), (1392, 22945), (1412, 22620), (1508, 21180), (1560, 20474), (1740, 18356), (1765, 18096), (1885, 16944), (2118, 15080), (2262, 14120), (2320, 13767), (2824, 11310), (3016, 10590), (3120, 10237), (3480, 9178), (3530, 9048), (3770, 8472), (4236, 7540), (4524, 7060), (4589, 6960), (5295, 6032), (5648, 5655)]