19212720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{277}}^1$

素因数の和:327

約数の個数: 120

約数和(自身を含む): 63497424

約数和(自身を除く): 44284704

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, 277, 289, 340, 408, 510, 554, 578, 680, 816, 831, 867, 1020, 1108, 1156, 1360, 1385, 1445, 1662, 1734, 2040, 2216, 2312, 2770, 2890, 3324, 3468, 4080, 4155, 4335, 4432, 4624, 4709, 5540, 5780, 6648, 6936, 8310, 8670, 9418, 11080, 11560, 13296, 13872, 14127, 16620, 17340, 18836, 22160, 23120, 23545, 28254, 33240, 34680, 37672, 47090, 56508, 66480, 69360, 70635, 75344, 80053, 94180, 113016, 141270, 160106, 188360, 226032, 240159, 282540, 320212, 376720, 400265, 480318, 565080, 640424, 800530, 960636, 1130160, 1200795, 1280848, 1601060, 1921272, 2401590, 3202120, 3842544, 4803180, 6404240, 9606360, 19212720]

約数ペア:

[(1, 19212720), (2, 9606360), (3, 6404240), (4, 4803180), (5, 3842544), (6, 3202120), (8, 2401590), (10, 1921272), (12, 1601060), (15, 1280848), (16, 1200795), (17, 1130160), (20, 960636), (24, 800530), (30, 640424), (34, 565080), (40, 480318), (48, 400265), (51, 376720), (60, 320212), (68, 282540), (80, 240159), (85, 226032), (102, 188360), (120, 160106), (136, 141270), (170, 113016), (204, 94180), (240, 80053), (255, 75344), (272, 70635), (277, 69360), (289, 66480), (340, 56508), (408, 47090), (510, 37672), (554, 34680), (578, 33240), (680, 28254), (816, 23545), (831, 23120), (867, 22160), (1020, 18836), (1108, 17340), (1156, 16620), (1360, 14127), (1385, 13872), (1445, 13296), (1662, 11560), (1734, 11080), (2040, 9418), (2216, 8670), (2312, 8310), (2770, 6936), (2890, 6648), (3324, 5780), (3468, 5540), (4080, 4709), (4155, 4624), (4335, 4432)]