19490160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{281}}^1$

素因数の和:331

約数の個数: 120

約数和(自身を含む): 64411056

約数和(自身を除く): 44920896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 281, 289, 340, 408, 510, 562, 578, 680, 816, 843, 867, 1020, 1124, 1156, 1360, 1405, 1445, 1686, 1734, 2040, 2248, 2312, 2810, 2890, 3372, 3468, 4080, 4215, 4335, 4496, 4624, 4777, 5620, 5780, 6744, 6936, 8430, 8670, 9554, 11240, 11560, 13488, 13872, 14331, 16860, 17340, 19108, 22480, 23120, 23885, 28662, 33720, 34680, 38216, 47770, 57324, 67440, 69360, 71655, 76432, 81209, 95540, 114648, 143310, 162418, 191080, 229296, 243627, 286620, 324836, 382160, 406045, 487254, 573240, 649672, 812090, 974508, 1146480, 1218135, 1299344, 1624180, 1949016, 2436270, 3248360, 3898032, 4872540, 6496720, 9745080, 19490160]

約数ペア:

[(1, 19490160), (2, 9745080), (3, 6496720), (4, 4872540), (5, 3898032), (6, 3248360), (8, 2436270), (10, 1949016), (12, 1624180), (15, 1299344), (16, 1218135), (17, 1146480), (20, 974508), (24, 812090), (30, 649672), (34, 573240), (40, 487254), (48, 406045), (51, 382160), (60, 324836), (68, 286620), (80, 243627), (85, 229296), (102, 191080), (120, 162418), (136, 143310), (170, 114648), (204, 95540), (240, 81209), (255, 76432), (272, 71655), (281, 69360), (289, 67440), (340, 57324), (408, 47770), (510, 38216), (562, 34680), (578, 33720), (680, 28662), (816, 23885), (843, 23120), (867, 22480), (1020, 19108), (1124, 17340), (1156, 16860), (1360, 14331), (1405, 13872), (1445, 13488), (1686, 11560), (1734, 11240), (2040, 9554), (2248, 8670), (2312, 8430), (2810, 6936), (2890, 6744), (3372, 5780), (3468, 5620), (4080, 4777), (4215, 4624), (4335, 4496)]