80305020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2609}}^1$

素因数の和:2649

約数の個数: 120

約数和(自身を含む): 265280400

約数和(自身を除く): 184975380

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, 2609, 3078, 3420, 5130, 5218, 6156, 7695, 7827, 10260, 10436, 13045, 15390, 15654, 23481, 26090, 30780, 31308, 39135, 46962, 49571, 52180, 70443, 78270, 93924, 99142, 117405, 140886, 148713, 156540, 198284, 211329, 234810, 247855, 281772, 297426, 352215, 422658, 446139, 469620, 495710, 594852, 704430, 743565, 845316, 892278, 991420, 1056645, 1338417, 1408860, 1487130, 1784556, 2113290, 2230695, 2676834, 2974260, 4015251, 4226580, 4461390, 5353668, 6692085, 8030502, 8922780, 13384170, 16061004, 20076255, 26768340, 40152510, 80305020]

約数ペア:

[(1, 80305020), (2, 40152510), (3, 26768340), (4, 20076255), (5, 16061004), (6, 13384170), (9, 8922780), (10, 8030502), (12, 6692085), (15, 5353668), (18, 4461390), (19, 4226580), (20, 4015251), (27, 2974260), (30, 2676834), (36, 2230695), (38, 2113290), (45, 1784556), (54, 1487130), (57, 1408860), (60, 1338417), (76, 1056645), (81, 991420), (90, 892278), (95, 845316), (108, 743565), (114, 704430), (135, 594852), (162, 495710), (171, 469620), (180, 446139), (190, 422658), (228, 352215), (270, 297426), (285, 281772), (324, 247855), (342, 234810), (380, 211329), (405, 198284), (513, 156540), (540, 148713), (570, 140886), (684, 117405), (810, 99142), (855, 93924), (1026, 78270), (1140, 70443), (1539, 52180), (1620, 49571), (1710, 46962), (2052, 39135), (2565, 31308), (2609, 30780), (3078, 26090), (3420, 23481), (5130, 15654), (5218, 15390), (6156, 13045), (7695, 10436), (7827, 10260)]