312854220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:557

約数の個数: 216

約数和(自身を含む): 1120392000

約数和(自身を除く): 807537780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 79, 84, 90, 98, 105, 126, 140, 147, 158, 180, 196, 210, 237, 245, 252, 294, 315, 316, 395, 420, 441, 449, 474, 490, 553, 588, 630, 711, 735, 790, 882, 898, 948, 980, 1106, 1185, 1260, 1347, 1422, 1470, 1580, 1659, 1764, 1796, 2205, 2212, 2245, 2370, 2694, 2765, 2844, 2940, 3143, 3318, 3555, 3871, 4041, 4410, 4490, 4740, 4977, 5388, 5530, 6286, 6636, 6735, 7110, 7742, 8082, 8295, 8820, 8980, 9429, 9954, 11060, 11613, 12572, 13470, 14220, 15484, 15715, 16164, 16590, 18858, 19355, 19908, 20205, 22001, 23226, 24885, 26940, 28287, 31430, 33180, 34839, 35471, 37716, 38710, 40410, 44002, 46452, 47145, 49770, 56574, 58065, 62860, 66003, 69678, 70942, 77420, 80820, 88004, 94290, 99540, 106413, 110005, 113148, 116130, 132006, 139356, 141435, 141884, 174195, 177355, 188580, 198009, 212826, 220010, 232260, 248297, 264012, 282870, 319239, 330015, 348390, 354710, 396018, 425652, 440020, 496594, 532065, 565740, 638478, 660030, 696780, 709420, 744891, 792036, 990045, 993188, 1064130, 1241485, 1276956, 1320060, 1489782, 1596195, 1738079, 1980090, 2128260, 2234673, 2482970, 2979564, 3192390, 3476158, 3724455, 3960180, 4469346, 4965940, 5214237, 6384780, 6952316, 7448910, 8690395, 8938692, 10428474, 11173365, 14897820, 15642711, 17380790, 20856948, 22346730, 26071185, 31285422, 34761580, 44693460, 52142370, 62570844, 78213555, 104284740, 156427110, 312854220]

約数ペア:

[(1, 312854220), (2, 156427110), (3, 104284740), (4, 78213555), (5, 62570844), (6, 52142370), (7, 44693460), (9, 34761580), (10, 31285422), (12, 26071185), (14, 22346730), (15, 20856948), (18, 17380790), (20, 15642711), (21, 14897820), (28, 11173365), (30, 10428474), (35, 8938692), (36, 8690395), (42, 7448910), (45, 6952316), (49, 6384780), (60, 5214237), (63, 4965940), (70, 4469346), (79, 3960180), (84, 3724455), (90, 3476158), (98, 3192390), (105, 2979564), (126, 2482970), (140, 2234673), (147, 2128260), (158, 1980090), (180, 1738079), (196, 1596195), (210, 1489782), (237, 1320060), (245, 1276956), (252, 1241485), (294, 1064130), (315, 993188), (316, 990045), (395, 792036), (420, 744891), (441, 709420), (449, 696780), (474, 660030), (490, 638478), (553, 565740), (588, 532065), (630, 496594), (711, 440020), (735, 425652), (790, 396018), (882, 354710), (898, 348390), (948, 330015), (980, 319239), (1106, 282870), (1185, 264012), (1260, 248297), (1347, 232260), (1422, 220010), (1470, 212826), (1580, 198009), (1659, 188580), (1764, 177355), (1796, 174195), (2205, 141884), (2212, 141435), (2245, 139356), (2370, 132006), (2694, 116130), (2765, 113148), (2844, 110005), (2940, 106413), (3143, 99540), (3318, 94290), (3555, 88004), (3871, 80820), (4041, 77420), (4410, 70942), (4490, 69678), (4740, 66003), (4977, 62860), (5388, 58065), (5530, 56574), (6286, 49770), (6636, 47145), (6735, 46452), (7110, 44002), (7742, 40410), (8082, 38710), (8295, 37716), (8820, 35471), (8980, 34839), (9429, 33180), (9954, 31430), (11060, 28287), (11613, 26940), (12572, 24885), (13470, 23226), (14220, 22001), (15484, 20205), (15715, 19908), (16164, 19355), (16590, 18858)]