16855920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:631

約数の個数: 120

約数和(自身を含む): 58090032

約数和(自身を除く): 41234112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 571, 615, 656, 720, 738, 820, 984, 1142, 1230, 1476, 1640, 1713, 1845, 1968, 2284, 2460, 2855, 2952, 3280, 3426, 3690, 4568, 4920, 5139, 5710, 5904, 6852, 7380, 8565, 9136, 9840, 10278, 11420, 13704, 14760, 17130, 20556, 22840, 23411, 25695, 27408, 29520, 34260, 41112, 45680, 46822, 51390, 68520, 70233, 82224, 93644, 102780, 117055, 137040, 140466, 187288, 205560, 210699, 234110, 280932, 351165, 374576, 411120, 421398, 468220, 561864, 702330, 842796, 936440, 1053495, 1123728, 1404660, 1685592, 1872880, 2106990, 2809320, 3371184, 4213980, 5618640, 8427960, 16855920]

約数ペア:

[(1, 16855920), (2, 8427960), (3, 5618640), (4, 4213980), (5, 3371184), (6, 2809320), (8, 2106990), (9, 1872880), (10, 1685592), (12, 1404660), (15, 1123728), (16, 1053495), (18, 936440), (20, 842796), (24, 702330), (30, 561864), (36, 468220), (40, 421398), (41, 411120), (45, 374576), (48, 351165), (60, 280932), (72, 234110), (80, 210699), (82, 205560), (90, 187288), (120, 140466), (123, 137040), (144, 117055), (164, 102780), (180, 93644), (205, 82224), (240, 70233), (246, 68520), (328, 51390), (360, 46822), (369, 45680), (410, 41112), (492, 34260), (571, 29520), (615, 27408), (656, 25695), (720, 23411), (738, 22840), (820, 20556), (984, 17130), (1142, 14760), (1230, 13704), (1476, 11420), (1640, 10278), (1713, 9840), (1845, 9136), (1968, 8565), (2284, 7380), (2460, 6852), (2855, 5904), (2952, 5710), (3280, 5139), (3426, 4920), (3690, 4568)]