189720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:65

約数の個数: 96

約数和(自身を含む): 673920

約数和(自身を除く): 484200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 31, 34, 36, 40, 45, 51, 60, 62, 68, 72, 85, 90, 93, 102, 120, 124, 136, 153, 155, 170, 180, 186, 204, 248, 255, 279, 306, 310, 340, 360, 372, 408, 465, 510, 527, 558, 612, 620, 680, 744, 765, 930, 1020, 1054, 1116, 1224, 1240, 1395, 1530, 1581, 1860, 2040, 2108, 2232, 2635, 2790, 3060, 3162, 3720, 4216, 4743, 5270, 5580, 6120, 6324, 7905, 9486, 10540, 11160, 12648, 15810, 18972, 21080, 23715, 31620, 37944, 47430, 63240, 94860, 189720]

約数ペア:

[(1, 189720), (2, 94860), (3, 63240), (4, 47430), (5, 37944), (6, 31620), (8, 23715), (9, 21080), (10, 18972), (12, 15810), (15, 12648), (17, 11160), (18, 10540), (20, 9486), (24, 7905), (30, 6324), (31, 6120), (34, 5580), (36, 5270), (40, 4743), (45, 4216), (51, 3720), (60, 3162), (62, 3060), (68, 2790), (72, 2635), (85, 2232), (90, 2108), (93, 2040), (102, 1860), (120, 1581), (124, 1530), (136, 1395), (153, 1240), (155, 1224), (170, 1116), (180, 1054), (186, 1020), (204, 930), (248, 765), (255, 744), (279, 680), (306, 620), (310, 612), (340, 558), (360, 527), (372, 510), (408, 465)]