90720120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 285120000

約数和(自身を除く): 194399880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 131, 145, 174, 199, 232, 262, 290, 348, 393, 398, 435, 524, 580, 597, 655, 696, 786, 796, 870, 995, 1048, 1160, 1194, 1310, 1572, 1592, 1740, 1965, 1990, 2388, 2620, 2985, 3144, 3480, 3799, 3930, 3980, 4776, 5240, 5771, 5970, 7598, 7860, 7960, 11397, 11542, 11940, 15196, 15720, 17313, 18995, 22794, 23084, 23880, 26069, 28855, 30392, 34626, 37990, 45588, 46168, 52138, 56985, 57710, 69252, 75980, 78207, 86565, 91176, 104276, 113970, 115420, 130345, 138504, 151960, 156414, 173130, 208552, 227940, 230840, 260690, 312828, 346260, 391035, 455880, 521380, 625656, 692520, 756001, 782070, 1042760, 1512002, 1564140, 2268003, 3024004, 3128280, 3780005, 4536006, 6048008, 7560010, 9072012, 11340015, 15120020, 18144024, 22680030, 30240040, 45360060, 90720120]

約数ペア:

[(1, 90720120), (2, 45360060), (3, 30240040), (4, 22680030), (5, 18144024), (6, 15120020), (8, 11340015), (10, 9072012), (12, 7560010), (15, 6048008), (20, 4536006), (24, 3780005), (29, 3128280), (30, 3024004), (40, 2268003), (58, 1564140), (60, 1512002), (87, 1042760), (116, 782070), (120, 756001), (131, 692520), (145, 625656), (174, 521380), (199, 455880), (232, 391035), (262, 346260), (290, 312828), (348, 260690), (393, 230840), (398, 227940), (435, 208552), (524, 173130), (580, 156414), (597, 151960), (655, 138504), (696, 130345), (786, 115420), (796, 113970), (870, 104276), (995, 91176), (1048, 86565), (1160, 78207), (1194, 75980), (1310, 69252), (1572, 57710), (1592, 56985), (1740, 52138), (1965, 46168), (1990, 45588), (2388, 37990), (2620, 34626), (2985, 30392), (3144, 28855), (3480, 26069), (3799, 23880), (3930, 23084), (3980, 22794), (4776, 18995), (5240, 17313), (5771, 15720), (5970, 15196), (7598, 11940), (7860, 11542), (7960, 11397)]