28500330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 78382080

約数和(自身を除く): 49881750

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 34, 41, 47, 51, 58, 82, 85, 87, 94, 102, 123, 141, 145, 170, 174, 205, 235, 246, 255, 282, 290, 410, 435, 470, 493, 510, 615, 697, 705, 799, 870, 986, 1189, 1230, 1363, 1394, 1410, 1479, 1598, 1927, 2091, 2378, 2397, 2465, 2726, 2958, 3485, 3567, 3854, 3995, 4089, 4182, 4794, 4930, 5781, 5945, 6815, 6970, 7134, 7395, 7990, 8178, 9635, 10455, 11562, 11890, 11985, 13630, 14790, 17835, 19270, 20213, 20445, 20910, 23171, 23970, 28905, 32759, 35670, 40426, 40890, 46342, 55883, 57810, 60639, 65518, 69513, 98277, 101065, 111766, 115855, 121278, 139026, 163795, 167649, 196554, 202130, 231710, 279415, 303195, 327590, 335298, 347565, 491385, 558830, 606390, 695130, 838245, 950011, 982770, 1676490, 1900022, 2850033, 4750055, 5700066, 9500110, 14250165, 28500330]

約数ペア:

[(1, 28500330), (2, 14250165), (3, 9500110), (5, 5700066), (6, 4750055), (10, 2850033), (15, 1900022), (17, 1676490), (29, 982770), (30, 950011), (34, 838245), (41, 695130), (47, 606390), (51, 558830), (58, 491385), (82, 347565), (85, 335298), (87, 327590), (94, 303195), (102, 279415), (123, 231710), (141, 202130), (145, 196554), (170, 167649), (174, 163795), (205, 139026), (235, 121278), (246, 115855), (255, 111766), (282, 101065), (290, 98277), (410, 69513), (435, 65518), (470, 60639), (493, 57810), (510, 55883), (615, 46342), (697, 40890), (705, 40426), (799, 35670), (870, 32759), (986, 28905), (1189, 23970), (1230, 23171), (1363, 20910), (1394, 20445), (1410, 20213), (1479, 19270), (1598, 17835), (1927, 14790), (2091, 13630), (2378, 11985), (2397, 11890), (2465, 11562), (2726, 10455), (2958, 9635), (3485, 8178), (3567, 7990), (3854, 7395), (3995, 7134), (4089, 6970), (4182, 6815), (4794, 5945), (4930, 5781)]