11987820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 40360320

約数和(自身を除く): 28372500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 47, 52, 60, 65, 78, 90, 94, 109, 117, 130, 141, 156, 180, 188, 195, 218, 234, 235, 260, 282, 327, 390, 423, 436, 468, 470, 545, 564, 585, 611, 654, 705, 780, 846, 940, 981, 1090, 1170, 1222, 1308, 1410, 1417, 1635, 1692, 1833, 1962, 2115, 2180, 2340, 2444, 2820, 2834, 3055, 3270, 3666, 3924, 4230, 4251, 4905, 5123, 5499, 5668, 6110, 6540, 7085, 7332, 8460, 8502, 9165, 9810, 10246, 10998, 12220, 12753, 14170, 15369, 17004, 18330, 19620, 20492, 21255, 21996, 25506, 25615, 27495, 28340, 30738, 36660, 42510, 46107, 51012, 51230, 54990, 61476, 63765, 66599, 76845, 85020, 92214, 102460, 109980, 127530, 133198, 153690, 184428, 199797, 230535, 255060, 266396, 307380, 332995, 399594, 461070, 599391, 665990, 799188, 922140, 998985, 1198782, 1331980, 1997970, 2397564, 2996955, 3995940, 5993910, 11987820]

約数ペア:

[(1, 11987820), (2, 5993910), (3, 3995940), (4, 2996955), (5, 2397564), (6, 1997970), (9, 1331980), (10, 1198782), (12, 998985), (13, 922140), (15, 799188), (18, 665990), (20, 599391), (26, 461070), (30, 399594), (36, 332995), (39, 307380), (45, 266396), (47, 255060), (52, 230535), (60, 199797), (65, 184428), (78, 153690), (90, 133198), (94, 127530), (109, 109980), (117, 102460), (130, 92214), (141, 85020), (156, 76845), (180, 66599), (188, 63765), (195, 61476), (218, 54990), (234, 51230), (235, 51012), (260, 46107), (282, 42510), (327, 36660), (390, 30738), (423, 28340), (436, 27495), (468, 25615), (470, 25506), (545, 21996), (564, 21255), (585, 20492), (611, 19620), (654, 18330), (705, 17004), (780, 15369), (846, 14170), (940, 12753), (981, 12220), (1090, 10998), (1170, 10246), (1222, 9810), (1308, 9165), (1410, 8502), (1417, 8460), (1635, 7332), (1692, 7085), (1833, 6540), (1962, 6110), (2115, 5668), (2180, 5499), (2340, 5123), (2444, 4905), (2820, 4251), (2834, 4230), (3055, 3924), (3270, 3666)]