281497860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1423}}^1$

素因数の和:1602

約数の個数: 144

約数和(自身を含む): 982765056

約数和(自身を除く): 701267196

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 314, 315, 420, 471, 628, 630, 785, 942, 1099, 1260, 1413, 1423, 1570, 1884, 2198, 2355, 2826, 2846, 3140, 3297, 4269, 4396, 4710, 5495, 5652, 5692, 6594, 7065, 7115, 8538, 9420, 9891, 9961, 10990, 12807, 13188, 14130, 14230, 16485, 17076, 19782, 19922, 21345, 21980, 25614, 28260, 28460, 29883, 32970, 39564, 39844, 42690, 49455, 49805, 51228, 59766, 64035, 65940, 85380, 89649, 98910, 99610, 119532, 128070, 149415, 179298, 197820, 199220, 223411, 256140, 298830, 358596, 446822, 448245, 597660, 670233, 893644, 896490, 1117055, 1340466, 1563877, 1792980, 2010699, 2234110, 2680932, 3127754, 3351165, 4021398, 4468220, 4691631, 6255508, 6702330, 7819385, 8042796, 9383262, 10053495, 13404660, 14074893, 15638770, 18766524, 20106990, 23458155, 28149786, 31277540, 40213980, 46916310, 56299572, 70374465, 93832620, 140748930, 281497860]

約数ペア:

[(1, 281497860), (2, 140748930), (3, 93832620), (4, 70374465), (5, 56299572), (6, 46916310), (7, 40213980), (9, 31277540), (10, 28149786), (12, 23458155), (14, 20106990), (15, 18766524), (18, 15638770), (20, 14074893), (21, 13404660), (28, 10053495), (30, 9383262), (35, 8042796), (36, 7819385), (42, 6702330), (45, 6255508), (60, 4691631), (63, 4468220), (70, 4021398), (84, 3351165), (90, 3127754), (105, 2680932), (126, 2234110), (140, 2010699), (157, 1792980), (180, 1563877), (210, 1340466), (252, 1117055), (314, 896490), (315, 893644), (420, 670233), (471, 597660), (628, 448245), (630, 446822), (785, 358596), (942, 298830), (1099, 256140), (1260, 223411), (1413, 199220), (1423, 197820), (1570, 179298), (1884, 149415), (2198, 128070), (2355, 119532), (2826, 99610), (2846, 98910), (3140, 89649), (3297, 85380), (4269, 65940), (4396, 64035), (4710, 59766), (5495, 51228), (5652, 49805), (5692, 49455), (6594, 42690), (7065, 39844), (7115, 39564), (8538, 32970), (9420, 29883), (9891, 28460), (9961, 28260), (10990, 25614), (12807, 21980), (13188, 21345), (14130, 19922), (14230, 19782), (16485, 17076)]