257951880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1$

素因数の和:520

約数の個数: 192

約数和(自身を含む): 897914160

約数和(自身を除く): 639962280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 113, 120, 136, 153, 170, 180, 204, 226, 255, 306, 339, 340, 360, 373, 408, 452, 510, 565, 612, 678, 680, 746, 765, 904, 1017, 1020, 1119, 1130, 1224, 1356, 1492, 1530, 1695, 1865, 1921, 2034, 2040, 2238, 2260, 2712, 2984, 3060, 3357, 3390, 3730, 3842, 4068, 4476, 4520, 5085, 5595, 5763, 6120, 6341, 6714, 6780, 7460, 7684, 8136, 8952, 9605, 10170, 11190, 11526, 12682, 13428, 13560, 14920, 15368, 16785, 17289, 19023, 19210, 20340, 22380, 23052, 25364, 26856, 28815, 31705, 33570, 34578, 38046, 38420, 40680, 42149, 44760, 46104, 50728, 57069, 57630, 63410, 67140, 69156, 76092, 76840, 84298, 86445, 95115, 114138, 115260, 126447, 126820, 134280, 138312, 152184, 168596, 172890, 190230, 210745, 228276, 230520, 252894, 253640, 285345, 337192, 345780, 379341, 380460, 421490, 456552, 505788, 570690, 632235, 691560, 716533, 758682, 760920, 842980, 1011576, 1141380, 1264470, 1433066, 1517364, 1685960, 1896705, 2149599, 2282760, 2528940, 2866132, 3034728, 3582665, 3793410, 4299198, 5057880, 5732264, 6448797, 7165330, 7586820, 8598396, 10747995, 12897594, 14330660, 15173640, 17196792, 21495990, 25795188, 28661320, 32243985, 42991980, 51590376, 64487970, 85983960, 128975940, 257951880]

約数ペア:

[(1, 257951880), (2, 128975940), (3, 85983960), (4, 64487970), (5, 51590376), (6, 42991980), (8, 32243985), (9, 28661320), (10, 25795188), (12, 21495990), (15, 17196792), (17, 15173640), (18, 14330660), (20, 12897594), (24, 10747995), (30, 8598396), (34, 7586820), (36, 7165330), (40, 6448797), (45, 5732264), (51, 5057880), (60, 4299198), (68, 3793410), (72, 3582665), (85, 3034728), (90, 2866132), (102, 2528940), (113, 2282760), (120, 2149599), (136, 1896705), (153, 1685960), (170, 1517364), (180, 1433066), (204, 1264470), (226, 1141380), (255, 1011576), (306, 842980), (339, 760920), (340, 758682), (360, 716533), (373, 691560), (408, 632235), (452, 570690), (510, 505788), (565, 456552), (612, 421490), (678, 380460), (680, 379341), (746, 345780), (765, 337192), (904, 285345), (1017, 253640), (1020, 252894), (1119, 230520), (1130, 228276), (1224, 210745), (1356, 190230), (1492, 172890), (1530, 168596), (1695, 152184), (1865, 138312), (1921, 134280), (2034, 126820), (2040, 126447), (2238, 115260), (2260, 114138), (2712, 95115), (2984, 86445), (3060, 84298), (3357, 76840), (3390, 76092), (3730, 69156), (3842, 67140), (4068, 63410), (4476, 57630), (4520, 57069), (5085, 50728), (5595, 46104), (5763, 44760), (6120, 42149), (6341, 40680), (6714, 38420), (6780, 38046), (7460, 34578), (7684, 33570), (8136, 31705), (8952, 28815), (9605, 26856), (10170, 25364), (11190, 23052), (11526, 22380), (12682, 20340), (13428, 19210), (13560, 19023), (14920, 17289), (15368, 16785)]