80674380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2661

約数の個数: 120

約数和(自身を含む): 266500080

約数和(自身を除く): 185825700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 2621, 3078, 3420, 5130, 5242, 6156, 7695, 7863, 10260, 10484, 13105, 15390, 15726, 23589, 26210, 30780, 31452, 39315, 47178, 49799, 52420, 70767, 78630, 94356, 99598, 117945, 141534, 149397, 157260, 199196, 212301, 235890, 248995, 283068, 298794, 353835, 424602, 448191, 471780, 497990, 597588, 707670, 746985, 849204, 896382, 995980, 1061505, 1344573, 1415340, 1493970, 1792764, 2123010, 2240955, 2689146, 2987940, 4033719, 4246020, 4481910, 5378292, 6722865, 8067438, 8963820, 13445730, 16134876, 20168595, 26891460, 40337190, 80674380]

約数ペア:

[(1, 80674380), (2, 40337190), (3, 26891460), (4, 20168595), (5, 16134876), (6, 13445730), (9, 8963820), (10, 8067438), (12, 6722865), (15, 5378292), (18, 4481910), (19, 4246020), (20, 4033719), (27, 2987940), (30, 2689146), (36, 2240955), (38, 2123010), (45, 1792764), (54, 1493970), (57, 1415340), (60, 1344573), (76, 1061505), (81, 995980), (90, 896382), (95, 849204), (108, 746985), (114, 707670), (135, 597588), (162, 497990), (171, 471780), (180, 448191), (190, 424602), (228, 353835), (270, 298794), (285, 283068), (324, 248995), (342, 235890), (380, 212301), (405, 199196), (513, 157260), (540, 149397), (570, 141534), (684, 117945), (810, 99598), (855, 94356), (1026, 78630), (1140, 70767), (1539, 52420), (1620, 49799), (1710, 47178), (2052, 39315), (2565, 31452), (2621, 30780), (3078, 26210), (3420, 23589), (5130, 15726), (5242, 15390), (6156, 13105), (7695, 10484), (7863, 10260)]