1997460

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{137}}^1$

素因数の和:164

約数の個数: 84

約数和(自身を含む): 6335028

約数和(自身を除く): 4337568

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 137, 162, 180, 243, 270, 274, 324, 405, 411, 486, 540, 548, 685, 729, 810, 822, 972, 1215, 1233, 1370, 1458, 1620, 1644, 2055, 2430, 2466, 2740, 2916, 3645, 3699, 4110, 4860, 4932, 6165, 7290, 7398, 8220, 11097, 12330, 14580, 14796, 18495, 22194, 24660, 33291, 36990, 44388, 55485, 66582, 73980, 99873, 110970, 133164, 166455, 199746, 221940, 332910, 399492, 499365, 665820, 998730, 1997460]

約数ペア:

[(1, 1997460), (2, 998730), (3, 665820), (4, 499365), (5, 399492), (6, 332910), (9, 221940), (10, 199746), (12, 166455), (15, 133164), (18, 110970), (20, 99873), (27, 73980), (30, 66582), (36, 55485), (45, 44388), (54, 36990), (60, 33291), (81, 24660), (90, 22194), (108, 18495), (135, 14796), (137, 14580), (162, 12330), (180, 11097), (243, 8220), (270, 7398), (274, 7290), (324, 6165), (405, 4932), (411, 4860), (486, 4110), (540, 3699), (548, 3645), (685, 2916), (729, 2740), (810, 2466), (822, 2430), (972, 2055), (1215, 1644), (1233, 1620), (1370, 1458)]