421470

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{223}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 1290240

約数和(自身を除く): 868770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 223, 270, 315, 378, 446, 630, 669, 945, 1115, 1338, 1561, 1890, 2007, 2230, 3122, 3345, 4014, 4683, 6021, 6690, 7805, 9366, 10035, 12042, 14049, 15610, 20070, 23415, 28098, 30105, 42147, 46830, 60210, 70245, 84294, 140490, 210735, 421470]

約数ペア:

[(1, 421470), (2, 210735), (3, 140490), (5, 84294), (6, 70245), (7, 60210), (9, 46830), (10, 42147), (14, 30105), (15, 28098), (18, 23415), (21, 20070), (27, 15610), (30, 14049), (35, 12042), (42, 10035), (45, 9366), (54, 7805), (63, 6690), (70, 6021), (90, 4683), (105, 4014), (126, 3345), (135, 3122), (189, 2230), (210, 2007), (223, 1890), (270, 1561), (315, 1338), (378, 1115), (446, 945), (630, 669)]