18221554.000000000

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3019}}^1$

素因数の和:3088

約数の個数: 160

約数和(自身を含む): 1078502400

約数和(自身を除く): 772013520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 72, 80, 90, 94, 108, 120, 135, 141, 144, 180, 188, 216, 235, 240, 270, 282, 360, 376, 423, 432, 470, 540, 564, 705, 720, 752, 846, 940, 1080, 1128, 1269, 1410, 1692, 1880, 2115, 2160, 2256, 2538, 2820, 3019, 3384, 3760, 4230, 5076, 5640, 6038, 6345, 6768, 8460, 9057, 10152, 11280, 12076, 12690, 15095, 16920, 18114, 20304, 24152, 25380, 27171, 30190, 33840, 36228, 45285, 48304, 50760, 54342, 60380, 72456, 81513, 90570, 101520, 108684, 120760, 135855, 141893, 144912, 163026, 181140, 217368, 241520, 271710, 283786, 326052, 362280, 407565, 425679, 434736, 543420, 567572, 652104, 709465, 724560, 815130, 851358, 1086840, 1135144, 1277037, 1304208, 1418930, 1630260, 1702716, 2128395, 2173680, 2270288, 2554074, 2837860, 3260520, 3405432, 3831111, 4256790, 5108148, 5675720, 6385185, 6521040, 6810864, 7662222, 8513580, 10216296, 11351440, 12770370, 15324444, 17027160, 19155555, 20432592, 25540740, 30648888, 34054320, 38311110, 51081480, 61297776, 76622220, 102162960, 153244440, 306488880]

約数ペア:

[(1, 306488880), (2, 153244440), (3, 102162960), (4, 76622220), (5, 61297776), (6, 51081480), (8, 38311110), (9, 34054320), (10, 30648888), (12, 25540740), (15, 20432592), (16, 19155555), (18, 17027160), (20, 15324444), (24, 12770370), (27, 11351440), (30, 10216296), (36, 8513580), (40, 7662222), (45, 6810864), (47, 6521040), (48, 6385185), (54, 5675720), (60, 5108148), (72, 4256790), (80, 3831111), (90, 3405432), (94, 3260520), (108, 2837860), (120, 2554074), (135, 2270288), (141, 2173680), (144, 2128395), (180, 1702716), (188, 1630260), (216, 1418930), (235, 1304208), (240, 1277037), (270, 1135144), (282, 1086840), (360, 851358), (376, 815130), (423, 724560), (432, 709465), (470, 652104), (540, 567572), (564, 543420), (705, 434736), (720, 425679), (752, 407565), (846, 362280), (940, 326052), (1080, 283786), (1128, 271710), (1269, 241520), (1410, 217368), (1692, 181140), (1880, 163026), (2115, 144912), (2160, 141893), (2256, 135855), (2538, 120760), (2820, 108684), (3019, 101520), (3384, 90570), (3760, 81513), (4230, 72456), (5076, 60380), (5640, 54342), (6038, 50760), (6345, 48304), (6768, 45285), (8460, 36228), (9057, 33840), (10152, 30190), (11280, 27171), (12076, 25380), (12690, 24152), (15095, 20304), (16920, 18114)]