393390720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:607

約数の個数: 192

約数和(自身を含む): 1370023200

約数和(自身を除く): 976632480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 163, 180, 192, 240, 288, 320, 326, 360, 384, 419, 480, 489, 576, 640, 652, 720, 815, 838, 960, 978, 1152, 1257, 1304, 1440, 1467, 1630, 1676, 1920, 1956, 2095, 2445, 2514, 2608, 2880, 2934, 3260, 3352, 3771, 3912, 4190, 4890, 5028, 5216, 5760, 5868, 6285, 6520, 6704, 7335, 7542, 7824, 8380, 9780, 10056, 10432, 11736, 12570, 13040, 13408, 14670, 15084, 15648, 16760, 18855, 19560, 20112, 20864, 23472, 25140, 26080, 26816, 29340, 30168, 31296, 33520, 37710, 39120, 40224, 46944, 50280, 52160, 53632, 58680, 60336, 62592, 67040, 68297, 75420, 78240, 80448, 93888, 100560, 104320, 117360, 120672, 134080, 136594, 150840, 156480, 160896, 187776, 201120, 204891, 234720, 241344, 268160, 273188, 301680, 312960, 341485, 402240, 409782, 469440, 482688, 546376, 603360, 614673, 682970, 804480, 819564, 938880, 1024455, 1092752, 1206720, 1229346, 1365940, 1639128, 2048910, 2185504, 2413440, 2458692, 2731880, 3073365, 3278256, 4097820, 4371008, 4917384, 5463760, 6146730, 6556512, 8195640, 8742016, 9834768, 10927520, 12293460, 13113024, 16391280, 19669536, 21855040, 24586920, 26226048, 32782560, 39339072, 43710080, 49173840, 65565120, 78678144, 98347680, 131130240, 196695360, 393390720]

約数ペア:

[(1, 393390720), (2, 196695360), (3, 131130240), (4, 98347680), (5, 78678144), (6, 65565120), (8, 49173840), (9, 43710080), (10, 39339072), (12, 32782560), (15, 26226048), (16, 24586920), (18, 21855040), (20, 19669536), (24, 16391280), (30, 13113024), (32, 12293460), (36, 10927520), (40, 9834768), (45, 8742016), (48, 8195640), (60, 6556512), (64, 6146730), (72, 5463760), (80, 4917384), (90, 4371008), (96, 4097820), (120, 3278256), (128, 3073365), (144, 2731880), (160, 2458692), (163, 2413440), (180, 2185504), (192, 2048910), (240, 1639128), (288, 1365940), (320, 1229346), (326, 1206720), (360, 1092752), (384, 1024455), (419, 938880), (480, 819564), (489, 804480), (576, 682970), (640, 614673), (652, 603360), (720, 546376), (815, 482688), (838, 469440), (960, 409782), (978, 402240), (1152, 341485), (1257, 312960), (1304, 301680), (1440, 273188), (1467, 268160), (1630, 241344), (1676, 234720), (1920, 204891), (1956, 201120), (2095, 187776), (2445, 160896), (2514, 156480), (2608, 150840), (2880, 136594), (2934, 134080), (3260, 120672), (3352, 117360), (3771, 104320), (3912, 100560), (4190, 93888), (4890, 80448), (5028, 78240), (5216, 75420), (5760, 68297), (5868, 67040), (6285, 62592), (6520, 60336), (6704, 58680), (7335, 53632), (7542, 52160), (7824, 50280), (8380, 46944), (9780, 40224), (10056, 39120), (10432, 37710), (11736, 33520), (12570, 31296), (13040, 30168), (13408, 29340), (14670, 26816), (15084, 26080), (15648, 25140), (16760, 23472), (18855, 20864), (19560, 20112)]