15315120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:347

約数の個数: 120

約数和(自身を含む): 52228800

約数和(自身を除く): 36913680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 239, 240, 267, 356, 360, 445, 478, 534, 712, 717, 720, 801, 890, 956, 1068, 1195, 1335, 1424, 1434, 1602, 1780, 1912, 2136, 2151, 2390, 2670, 2868, 3204, 3560, 3585, 3824, 4005, 4272, 4302, 4780, 5340, 5736, 6408, 7120, 7170, 8010, 8604, 9560, 10680, 10755, 11472, 12816, 14340, 16020, 17208, 19120, 21271, 21360, 21510, 28680, 32040, 34416, 42542, 43020, 57360, 63813, 64080, 85084, 86040, 106355, 127626, 170168, 172080, 191439, 212710, 255252, 319065, 340336, 382878, 425420, 510504, 638130, 765756, 850840, 957195, 1021008, 1276260, 1531512, 1701680, 1914390, 2552520, 3063024, 3828780, 5105040, 7657560, 15315120]

約数ペア:

[(1, 15315120), (2, 7657560), (3, 5105040), (4, 3828780), (5, 3063024), (6, 2552520), (8, 1914390), (9, 1701680), (10, 1531512), (12, 1276260), (15, 1021008), (16, 957195), (18, 850840), (20, 765756), (24, 638130), (30, 510504), (36, 425420), (40, 382878), (45, 340336), (48, 319065), (60, 255252), (72, 212710), (80, 191439), (89, 172080), (90, 170168), (120, 127626), (144, 106355), (178, 86040), (180, 85084), (239, 64080), (240, 63813), (267, 57360), (356, 43020), (360, 42542), (445, 34416), (478, 32040), (534, 28680), (712, 21510), (717, 21360), (720, 21271), (801, 19120), (890, 17208), (956, 16020), (1068, 14340), (1195, 12816), (1335, 11472), (1424, 10755), (1434, 10680), (1602, 9560), (1780, 8604), (1912, 8010), (2136, 7170), (2151, 7120), (2390, 6408), (2670, 5736), (2868, 5340), (3204, 4780), (3560, 4302), (3585, 4272), (3824, 4005)]