68542890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{971}}^1$

素因数の和:1175

約数の個数: 64

約数和(自身を含む): 178319232

約数和(自身を除く): 109776342

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 181, 195, 362, 390, 543, 905, 971, 1086, 1810, 1942, 2353, 2715, 2913, 4706, 4855, 5430, 5826, 7059, 9710, 11765, 12623, 14118, 14565, 23530, 25246, 29130, 35295, 37869, 63115, 70590, 75738, 126230, 175751, 189345, 351502, 378690, 527253, 878755, 1054506, 1757510, 2284763, 2636265, 4569526, 5272530, 6854289, 11423815, 13708578, 22847630, 34271445, 68542890]

約数ペア:

[(1, 68542890), (2, 34271445), (3, 22847630), (5, 13708578), (6, 11423815), (10, 6854289), (13, 5272530), (15, 4569526), (26, 2636265), (30, 2284763), (39, 1757510), (65, 1054506), (78, 878755), (130, 527253), (181, 378690), (195, 351502), (362, 189345), (390, 175751), (543, 126230), (905, 75738), (971, 70590), (1086, 63115), (1810, 37869), (1942, 35295), (2353, 29130), (2715, 25246), (2913, 23530), (4706, 14565), (4855, 14118), (5430, 12623), (5826, 11765), (7059, 9710)]