645247752

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{23197}}^1$

素因数の和:23286

約数の個数: 64

約数和(自身を含む): 1725931200

約数和(自身を除く): 1080683448

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 61, 76, 114, 122, 152, 183, 228, 244, 366, 456, 488, 732, 1159, 1464, 2318, 3477, 4636, 6954, 9272, 13908, 23197, 27816, 46394, 69591, 92788, 139182, 185576, 278364, 440743, 556728, 881486, 1322229, 1415017, 1762972, 2644458, 2830034, 3525944, 4245051, 5288916, 5660068, 8490102, 10577832, 11320136, 16980204, 26885323, 33960408, 53770646, 80655969, 107541292, 161311938, 215082584, 322623876, 645247752]

約数ペア:

[(1, 645247752), (2, 322623876), (3, 215082584), (4, 161311938), (6, 107541292), (8, 80655969), (12, 53770646), (19, 33960408), (24, 26885323), (38, 16980204), (57, 11320136), (61, 10577832), (76, 8490102), (114, 5660068), (122, 5288916), (152, 4245051), (183, 3525944), (228, 2830034), (244, 2644458), (366, 1762972), (456, 1415017), (488, 1322229), (732, 881486), (1159, 556728), (1464, 440743), (2318, 278364), (3477, 185576), (4636, 139182), (6954, 92788), (9272, 69591), (13908, 46394), (23197, 27816)]