18308291240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^2\times {\mathrm{599}}^1$

素因数の和:955

約数の個数: 96

約数和(自身を含む): 42866496000

約数和(自身を除く): 24558204760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 599, 620, 628, 785, 1198, 1240, 1256, 1570, 2396, 2995, 3140, 4792, 4867, 5990, 6280, 9734, 11980, 18569, 19468, 23960, 24335, 24649, 37138, 38936, 48670, 49298, 74276, 92845, 94043, 97340, 98596, 123245, 148552, 185690, 188086, 194680, 197192, 246490, 371380, 376172, 470215, 492980, 742760, 752344, 764119, 940430, 985960, 1528238, 1880860, 2915333, 3056476, 3761720, 3820595, 5830666, 6112952, 7641190, 11661332, 14576665, 14764751, 15282380, 23322664, 29153330, 29529502, 30564760, 58306660, 59059004, 73823755, 116613320, 118118008, 147647510, 295295020, 457707281, 590590040, 915414562, 1830829124, 2288536405, 3661658248, 4577072810, 9154145620, 18308291240]

約数ペア:

[(1, 18308291240), (2, 9154145620), (4, 4577072810), (5, 3661658248), (8, 2288536405), (10, 1830829124), (20, 915414562), (31, 590590040), (40, 457707281), (62, 295295020), (124, 147647510), (155, 118118008), (157, 116613320), (248, 73823755), (310, 59059004), (314, 58306660), (599, 30564760), (620, 29529502), (628, 29153330), (785, 23322664), (1198, 15282380), (1240, 14764751), (1256, 14576665), (1570, 11661332), (2396, 7641190), (2995, 6112952), (3140, 5830666), (4792, 3820595), (4867, 3761720), (5990, 3056476), (6280, 2915333), (9734, 1880860), (11980, 1528238), (18569, 985960), (19468, 940430), (23960, 764119), (24335, 752344), (24649, 742760), (37138, 492980), (38936, 470215), (48670, 376172), (49298, 371380), (74276, 246490), (92845, 197192), (94043, 194680), (97340, 188086), (98596, 185690), (123245, 148552)]