16509420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 53813760

約数和(自身を除く): 37304340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 79, 81, 86, 90, 108, 129, 135, 158, 162, 172, 180, 215, 237, 243, 258, 270, 316, 324, 387, 395, 405, 430, 474, 486, 516, 540, 645, 711, 774, 790, 810, 860, 948, 972, 1161, 1185, 1215, 1290, 1422, 1548, 1580, 1620, 1935, 2133, 2322, 2370, 2430, 2580, 2844, 3397, 3483, 3555, 3870, 4266, 4644, 4740, 4860, 5805, 6399, 6794, 6966, 7110, 7740, 8532, 10191, 10449, 10665, 11610, 12798, 13588, 13932, 14220, 16985, 17415, 19197, 20382, 20898, 21330, 23220, 25596, 30573, 31995, 33970, 34830, 38394, 40764, 41796, 42660, 50955, 52245, 61146, 63990, 67940, 69660, 76788, 91719, 95985, 101910, 104490, 122292, 127980, 152865, 183438, 191970, 203820, 208980, 275157, 305730, 366876, 383940, 458595, 550314, 611460, 825471, 917190, 1100628, 1375785, 1650942, 1834380, 2751570, 3301884, 4127355, 5503140, 8254710, 16509420]

約数ペア:

[(1, 16509420), (2, 8254710), (3, 5503140), (4, 4127355), (5, 3301884), (6, 2751570), (9, 1834380), (10, 1650942), (12, 1375785), (15, 1100628), (18, 917190), (20, 825471), (27, 611460), (30, 550314), (36, 458595), (43, 383940), (45, 366876), (54, 305730), (60, 275157), (79, 208980), (81, 203820), (86, 191970), (90, 183438), (108, 152865), (129, 127980), (135, 122292), (158, 104490), (162, 101910), (172, 95985), (180, 91719), (215, 76788), (237, 69660), (243, 67940), (258, 63990), (270, 61146), (316, 52245), (324, 50955), (387, 42660), (395, 41796), (405, 40764), (430, 38394), (474, 34830), (486, 33970), (516, 31995), (540, 30573), (645, 25596), (711, 23220), (774, 21330), (790, 20898), (810, 20382), (860, 19197), (948, 17415), (972, 16985), (1161, 14220), (1185, 13932), (1215, 13588), (1290, 12798), (1422, 11610), (1548, 10665), (1580, 10449), (1620, 10191), (1935, 8532), (2133, 7740), (2322, 7110), (2370, 6966), (2430, 6794), (2580, 6399), (2844, 5805), (3397, 4860), (3483, 4740), (3555, 4644), (3870, 4266)]