28840860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{937}}^1$

素因数の和:977

約数の個数: 120

約数和(自身を含む): 95338320

約数和(自身を除く): 66497460

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, 937, 1026, 1140, 1539, 1620, 1710, 1874, 2052, 2565, 2811, 3078, 3420, 3748, 4685, 5130, 5622, 6156, 7695, 8433, 9370, 10260, 11244, 14055, 15390, 16866, 17803, 18740, 25299, 28110, 30780, 33732, 35606, 42165, 50598, 53409, 56220, 71212, 75897, 84330, 89015, 101196, 106818, 126495, 151794, 160227, 168660, 178030, 213636, 252990, 267045, 303588, 320454, 356060, 379485, 480681, 505980, 534090, 640908, 758970, 801135, 961362, 1068180, 1442043, 1517940, 1602270, 1922724, 2403405, 2884086, 3204540, 4806810, 5768172, 7210215, 9613620, 14420430, 28840860]

約数ペア:

[(1, 28840860), (2, 14420430), (3, 9613620), (4, 7210215), (5, 5768172), (6, 4806810), (9, 3204540), (10, 2884086), (12, 2403405), (15, 1922724), (18, 1602270), (19, 1517940), (20, 1442043), (27, 1068180), (30, 961362), (36, 801135), (38, 758970), (45, 640908), (54, 534090), (57, 505980), (60, 480681), (76, 379485), (81, 356060), (90, 320454), (95, 303588), (108, 267045), (114, 252990), (135, 213636), (162, 178030), (171, 168660), (180, 160227), (190, 151794), (228, 126495), (270, 106818), (285, 101196), (324, 89015), (342, 84330), (380, 75897), (405, 71212), (513, 56220), (540, 53409), (570, 50598), (684, 42165), (810, 35606), (855, 33732), (937, 30780), (1026, 28110), (1140, 25299), (1539, 18740), (1620, 17803), (1710, 16866), (1874, 15390), (2052, 14055), (2565, 11244), (2811, 10260), (3078, 9370), (3420, 8433), (3748, 7695), (4685, 6156), (5130, 5622)]