28702920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12589}}^1$

素因数の和:12622

約数の個数: 64

約数和(自身を含む): 90648000

約数和(自身を除く): 61945080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 12589, 25178, 37767, 50356, 62945, 75534, 100712, 125890, 151068, 188835, 239191, 251780, 302136, 377670, 478382, 503560, 717573, 755340, 956764, 1195955, 1435146, 1510680, 1913528, 2391910, 2870292, 3587865, 4783820, 5740584, 7175730, 9567640, 14351460, 28702920]

約数ペア:

[(1, 28702920), (2, 14351460), (3, 9567640), (4, 7175730), (5, 5740584), (6, 4783820), (8, 3587865), (10, 2870292), (12, 2391910), (15, 1913528), (19, 1510680), (20, 1435146), (24, 1195955), (30, 956764), (38, 755340), (40, 717573), (57, 503560), (60, 478382), (76, 377670), (95, 302136), (114, 251780), (120, 239191), (152, 188835), (190, 151068), (228, 125890), (285, 100712), (380, 75534), (456, 62945), (570, 50356), (760, 37767), (1140, 25178), (2280, 12589)]