281294379440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{571}}^1\times {\mathrm{733}}^1$

素因数の和:1619

約数の個数: 160

約数和(自身を含む): 679710400512

約数和(自身を除く): 398416021072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 271, 310, 496, 542, 571, 620, 733, 1084, 1142, 1240, 1355, 1466, 2168, 2284, 2480, 2710, 2855, 2932, 3665, 4336, 4568, 5420, 5710, 5864, 7330, 8401, 9136, 10840, 11420, 11728, 14660, 16802, 17701, 21680, 22723, 22840, 29320, 33604, 35402, 42005, 45446, 45680, 58640, 67208, 70804, 84010, 88505, 90892, 113615, 134416, 141608, 154741, 168020, 177010, 181784, 198643, 227230, 283216, 309482, 336040, 354020, 363568, 397286, 418543, 454460, 618964, 672080, 708040, 773705, 794572, 837086, 908920, 993215, 1237928, 1416080, 1547410, 1589144, 1674172, 1817840, 1986430, 2092715, 2475856, 3094820, 3178288, 3348344, 3972860, 4185430, 4796971, 6157933, 6189640, 6696688, 7945720, 8370860, 9593942, 12315866, 12379280, 12974833, 15891440, 16741720, 19187884, 23984855, 24631732, 25949666, 30789665, 33483440, 38375768, 47969710, 49263464, 51899332, 61579330, 64874165, 76751536, 95939420, 98526928, 103798664, 113425153, 123158660, 129748330, 191878840, 207597328, 226850306, 246317320, 259496660, 383757680, 453700612, 492634640, 518993320, 567125765, 907401224, 1037986640, 1134251530, 1814802448, 2268503060, 3516179743, 4537006120, 7032359486, 9074012240, 14064718972, 17580898715, 28129437944, 35161797430, 56258875888, 70323594860, 140647189720, 281294379440]

約数ペア:

[(1, 281294379440), (2, 140647189720), (4, 70323594860), (5, 56258875888), (8, 35161797430), (10, 28129437944), (16, 17580898715), (20, 14064718972), (31, 9074012240), (40, 7032359486), (62, 4537006120), (80, 3516179743), (124, 2268503060), (155, 1814802448), (248, 1134251530), (271, 1037986640), (310, 907401224), (496, 567125765), (542, 518993320), (571, 492634640), (620, 453700612), (733, 383757680), (1084, 259496660), (1142, 246317320), (1240, 226850306), (1355, 207597328), (1466, 191878840), (2168, 129748330), (2284, 123158660), (2480, 113425153), (2710, 103798664), (2855, 98526928), (2932, 95939420), (3665, 76751536), (4336, 64874165), (4568, 61579330), (5420, 51899332), (5710, 49263464), (5864, 47969710), (7330, 38375768), (8401, 33483440), (9136, 30789665), (10840, 25949666), (11420, 24631732), (11728, 23984855), (14660, 19187884), (16802, 16741720), (17701, 15891440), (21680, 12974833), (22723, 12379280), (22840, 12315866), (29320, 9593942), (33604, 8370860), (35402, 7945720), (42005, 6696688), (45446, 6189640), (45680, 6157933), (58640, 4796971), (67208, 4185430), (70804, 3972860), (84010, 3348344), (88505, 3178288), (90892, 3094820), (113615, 2475856), (134416, 2092715), (141608, 1986430), (154741, 1817840), (168020, 1674172), (177010, 1589144), (181784, 1547410), (198643, 1416080), (227230, 1237928), (283216, 993215), (309482, 908920), (336040, 837086), (354020, 794572), (363568, 773705), (397286, 708040), (418543, 672080), (454460, 618964)]