399631920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2389}}^1$

素因数の和:2463

約数の個数: 160

約数和(自身を含む): 1344288960

約数和(自身を除く): 944657040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 41, 48, 51, 60, 68, 80, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 240, 246, 255, 272, 328, 340, 408, 410, 492, 510, 615, 656, 680, 697, 816, 820, 984, 1020, 1230, 1360, 1394, 1640, 1968, 2040, 2091, 2389, 2460, 2788, 3280, 3485, 4080, 4182, 4778, 4920, 5576, 6970, 7167, 8364, 9556, 9840, 10455, 11152, 11945, 13940, 14334, 16728, 19112, 20910, 23890, 27880, 28668, 33456, 35835, 38224, 40613, 41820, 47780, 55760, 57336, 71670, 81226, 83640, 95560, 97949, 114672, 121839, 143340, 162452, 167280, 191120, 195898, 203065, 243678, 286680, 293847, 324904, 391796, 406130, 487356, 489745, 573360, 587694, 609195, 649808, 783592, 812260, 974712, 979490, 1175388, 1218390, 1469235, 1567184, 1624520, 1665133, 1949424, 1958980, 2350776, 2436780, 2938470, 3249040, 3330266, 3917960, 4701552, 4873560, 4995399, 5876940, 6660532, 7835920, 8325665, 9747120, 9990798, 11753880, 13321064, 16651330, 19981596, 23507760, 24976995, 26642128, 33302660, 39963192, 49953990, 66605320, 79926384, 99907980, 133210640, 199815960, 399631920]

約数ペア:

[(1, 399631920), (2, 199815960), (3, 133210640), (4, 99907980), (5, 79926384), (6, 66605320), (8, 49953990), (10, 39963192), (12, 33302660), (15, 26642128), (16, 24976995), (17, 23507760), (20, 19981596), (24, 16651330), (30, 13321064), (34, 11753880), (40, 9990798), (41, 9747120), (48, 8325665), (51, 7835920), (60, 6660532), (68, 5876940), (80, 4995399), (82, 4873560), (85, 4701552), (102, 3917960), (120, 3330266), (123, 3249040), (136, 2938470), (164, 2436780), (170, 2350776), (204, 1958980), (205, 1949424), (240, 1665133), (246, 1624520), (255, 1567184), (272, 1469235), (328, 1218390), (340, 1175388), (408, 979490), (410, 974712), (492, 812260), (510, 783592), (615, 649808), (656, 609195), (680, 587694), (697, 573360), (816, 489745), (820, 487356), (984, 406130), (1020, 391796), (1230, 324904), (1360, 293847), (1394, 286680), (1640, 243678), (1968, 203065), (2040, 195898), (2091, 191120), (2389, 167280), (2460, 162452), (2788, 143340), (3280, 121839), (3485, 114672), (4080, 97949), (4182, 95560), (4778, 83640), (4920, 81226), (5576, 71670), (6970, 57336), (7167, 55760), (8364, 47780), (9556, 41820), (9840, 40613), (10455, 38224), (11152, 35835), (11945, 33456), (13940, 28668), (14334, 27880), (16728, 23890), (19112, 20910)]