55742580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1851

約数の個数: 120

約数和(自身を含む): 184171680

約数和(自身を除く): 128429100

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, 1811, 2052, 2565, 3078, 3420, 3622, 5130, 5433, 6156, 7244, 7695, 9055, 10260, 10866, 15390, 16299, 18110, 21732, 27165, 30780, 32598, 34409, 36220, 48897, 54330, 65196, 68818, 81495, 97794, 103227, 108660, 137636, 146691, 162990, 172045, 195588, 206454, 244485, 293382, 309681, 325980, 344090, 412908, 488970, 516135, 586764, 619362, 688180, 733455, 929043, 977940, 1032270, 1238724, 1466910, 1548405, 1858086, 2064540, 2787129, 2933820, 3096810, 3716172, 4645215, 5574258, 6193620, 9290430, 11148516, 13935645, 18580860, 27871290, 55742580]

約数ペア:

[(1, 55742580), (2, 27871290), (3, 18580860), (4, 13935645), (5, 11148516), (6, 9290430), (9, 6193620), (10, 5574258), (12, 4645215), (15, 3716172), (18, 3096810), (19, 2933820), (20, 2787129), (27, 2064540), (30, 1858086), (36, 1548405), (38, 1466910), (45, 1238724), (54, 1032270), (57, 977940), (60, 929043), (76, 733455), (81, 688180), (90, 619362), (95, 586764), (108, 516135), (114, 488970), (135, 412908), (162, 344090), (171, 325980), (180, 309681), (190, 293382), (228, 244485), (270, 206454), (285, 195588), (324, 172045), (342, 162990), (380, 146691), (405, 137636), (513, 108660), (540, 103227), (570, 97794), (684, 81495), (810, 68818), (855, 65196), (1026, 54330), (1140, 48897), (1539, 36220), (1620, 34409), (1710, 32598), (1811, 30780), (2052, 27165), (2565, 21732), (3078, 18110), (3420, 16299), (3622, 15390), (5130, 10866), (5433, 10260), (6156, 9055), (7244, 7695)]