210324780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4889}}^1$

素因数の和:5143

約数の個数: 72

約数和(自身を含む): 640785600

約数和(自身を除く): 430460820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2151, 2390, 2868, 3585, 4302, 4780, 4889, 7170, 8604, 9778, 10755, 14340, 14667, 19556, 21510, 24445, 29334, 43020, 44001, 48890, 58668, 73335, 88002, 97780, 146670, 176004, 220005, 293340, 440010, 880020, 1168471, 2336942, 3505413, 4673884, 5842355, 7010826, 10516239, 11684710, 14021652, 17527065, 21032478, 23369420, 35054130, 42064956, 52581195, 70108260, 105162390, 210324780]

約数ペア:

[(1, 210324780), (2, 105162390), (3, 70108260), (4, 52581195), (5, 42064956), (6, 35054130), (9, 23369420), (10, 21032478), (12, 17527065), (15, 14021652), (18, 11684710), (20, 10516239), (30, 7010826), (36, 5842355), (45, 4673884), (60, 3505413), (90, 2336942), (180, 1168471), (239, 880020), (478, 440010), (717, 293340), (956, 220005), (1195, 176004), (1434, 146670), (2151, 97780), (2390, 88002), (2868, 73335), (3585, 58668), (4302, 48890), (4780, 44001), (4889, 43020), (7170, 29334), (8604, 24445), (9778, 21510), (10755, 19556), (14340, 14667)]