747257840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 240

約数和(自身を含む): 2171289600

約数和(自身を除く): 1424031760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 79, 80, 95, 98, 112, 127, 133, 140, 152, 158, 190, 196, 245, 254, 266, 280, 304, 316, 380, 392, 395, 490, 508, 532, 553, 560, 632, 635, 665, 760, 784, 790, 889, 931, 980, 1016, 1064, 1106, 1264, 1270, 1330, 1501, 1520, 1580, 1778, 1862, 1960, 2032, 2128, 2212, 2413, 2540, 2660, 2765, 3002, 3160, 3556, 3724, 3871, 3920, 4424, 4445, 4655, 4826, 5080, 5320, 5530, 6004, 6223, 6320, 7112, 7448, 7505, 7742, 8848, 8890, 9310, 9652, 10033, 10160, 10507, 10640, 11060, 12008, 12065, 12446, 14224, 14896, 15010, 15484, 16891, 17780, 18620, 19304, 19355, 20066, 21014, 22120, 24016, 24130, 24892, 30020, 30968, 31115, 33782, 35560, 37240, 38608, 38710, 40132, 42028, 44240, 48260, 49784, 50165, 52535, 60040, 61936, 62230, 67564, 70231, 71120, 73549, 74480, 77420, 80264, 84056, 84455, 96520, 99568, 100330, 105070, 118237, 120080, 124460, 135128, 140462, 147098, 154840, 160528, 168112, 168910, 190627, 193040, 200660, 210140, 236474, 248920, 270256, 280924, 294196, 309680, 337820, 351155, 367745, 381254, 401320, 420280, 472948, 491617, 497840, 561848, 588392, 591185, 675640, 702310, 735490, 762508, 802640, 840560, 945896, 953135, 983234, 1123696, 1176784, 1182370, 1334389, 1351280, 1404620, 1470980, 1525016, 1891792, 1906270, 1966468, 2364740, 2458085, 2668778, 2809240, 2941960, 3050032, 3812540, 3932936, 4729480, 4916170, 5337556, 5618480, 5883920, 6671945, 7625080, 7865872, 9340723, 9458960, 9832340, 10675112, 13343890, 15250160, 18681446, 19664680, 21350224, 26687780, 37362892, 39329360, 46703615, 53375560, 74725784, 93407230, 106751120, 149451568, 186814460, 373628920, 747257840]

約数ペア:

[(1, 747257840), (2, 373628920), (4, 186814460), (5, 149451568), (7, 106751120), (8, 93407230), (10, 74725784), (14, 53375560), (16, 46703615), (19, 39329360), (20, 37362892), (28, 26687780), (35, 21350224), (38, 19664680), (40, 18681446), (49, 15250160), (56, 13343890), (70, 10675112), (76, 9832340), (79, 9458960), (80, 9340723), (95, 7865872), (98, 7625080), (112, 6671945), (127, 5883920), (133, 5618480), (140, 5337556), (152, 4916170), (158, 4729480), (190, 3932936), (196, 3812540), (245, 3050032), (254, 2941960), (266, 2809240), (280, 2668778), (304, 2458085), (316, 2364740), (380, 1966468), (392, 1906270), (395, 1891792), (490, 1525016), (508, 1470980), (532, 1404620), (553, 1351280), (560, 1334389), (632, 1182370), (635, 1176784), (665, 1123696), (760, 983234), (784, 953135), (790, 945896), (889, 840560), (931, 802640), (980, 762508), (1016, 735490), (1064, 702310), (1106, 675640), (1264, 591185), (1270, 588392), (1330, 561848), (1501, 497840), (1520, 491617), (1580, 472948), (1778, 420280), (1862, 401320), (1960, 381254), (2032, 367745), (2128, 351155), (2212, 337820), (2413, 309680), (2540, 294196), (2660, 280924), (2765, 270256), (3002, 248920), (3160, 236474), (3556, 210140), (3724, 200660), (3871, 193040), (3920, 190627), (4424, 168910), (4445, 168112), (4655, 160528), (4826, 154840), (5080, 147098), (5320, 140462), (5530, 135128), (6004, 124460), (6223, 120080), (6320, 118237), (7112, 105070), (7448, 100330), (7505, 99568), (7742, 96520), (8848, 84455), (8890, 84056), (9310, 80264), (9652, 77420), (10033, 74480), (10160, 73549), (10507, 71120), (10640, 70231), (11060, 67564), (12008, 62230), (12065, 61936), (12446, 60040), (14224, 52535), (14896, 50165), (15010, 49784), (15484, 48260), (16891, 44240), (17780, 42028), (18620, 40132), (19304, 38710), (19355, 38608), (20066, 37240), (21014, 35560), (22120, 33782), (24016, 31115), (24130, 30968), (24892, 30020)]