1888500780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{3163}}^1$

素因数の和:3316

約数の個数: 144

約数和(自身を含む): 5970392064

約数和(自身を除く): 4081891284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 107, 124, 155, 180, 186, 214, 279, 310, 321, 372, 428, 465, 535, 558, 620, 642, 930, 963, 1070, 1116, 1284, 1395, 1605, 1860, 1926, 2140, 2790, 3163, 3210, 3317, 3852, 4815, 5580, 6326, 6420, 6634, 9489, 9630, 9951, 12652, 13268, 15815, 16585, 18978, 19260, 19902, 28467, 29853, 31630, 33170, 37956, 39804, 47445, 49755, 56934, 59706, 63260, 66340, 94890, 98053, 99510, 113868, 119412, 142335, 149265, 189780, 196106, 199020, 284670, 294159, 298530, 338441, 392212, 490265, 569340, 588318, 597060, 676882, 882477, 980530, 1015323, 1176636, 1353764, 1470795, 1692205, 1764954, 1961060, 2030646, 2941590, 3045969, 3384410, 3529908, 4061292, 4412385, 5076615, 5883180, 6091938, 6768820, 8824770, 10153230, 10491671, 12183876, 15229845, 17649540, 20306460, 20983342, 30459690, 31475013, 41966684, 52458355, 60919380, 62950026, 94425039, 104916710, 125900052, 157375065, 188850078, 209833420, 314750130, 377700156, 472125195, 629500260, 944250390, 1888500780]

約数ペア:

[(1, 1888500780), (2, 944250390), (3, 629500260), (4, 472125195), (5, 377700156), (6, 314750130), (9, 209833420), (10, 188850078), (12, 157375065), (15, 125900052), (18, 104916710), (20, 94425039), (30, 62950026), (31, 60919380), (36, 52458355), (45, 41966684), (60, 31475013), (62, 30459690), (90, 20983342), (93, 20306460), (107, 17649540), (124, 15229845), (155, 12183876), (180, 10491671), (186, 10153230), (214, 8824770), (279, 6768820), (310, 6091938), (321, 5883180), (372, 5076615), (428, 4412385), (465, 4061292), (535, 3529908), (558, 3384410), (620, 3045969), (642, 2941590), (930, 2030646), (963, 1961060), (1070, 1764954), (1116, 1692205), (1284, 1470795), (1395, 1353764), (1605, 1176636), (1860, 1015323), (1926, 980530), (2140, 882477), (2790, 676882), (3163, 597060), (3210, 588318), (3317, 569340), (3852, 490265), (4815, 392212), (5580, 338441), (6326, 298530), (6420, 294159), (6634, 284670), (9489, 199020), (9630, 196106), (9951, 189780), (12652, 149265), (13268, 142335), (15815, 119412), (16585, 113868), (18978, 99510), (19260, 98053), (19902, 94890), (28467, 66340), (29853, 63260), (31630, 59706), (33170, 56934), (37956, 49755), (39804, 47445)]