81900450

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 247603200

約数和(自身を除く): 165702750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 31, 38, 45, 50, 54, 57, 62, 75, 90, 93, 95, 103, 114, 135, 150, 155, 171, 186, 190, 206, 225, 270, 279, 285, 309, 310, 342, 450, 465, 475, 513, 515, 558, 570, 589, 618, 675, 775, 837, 855, 927, 930, 950, 1026, 1030, 1178, 1350, 1395, 1425, 1545, 1550, 1674, 1710, 1767, 1854, 1957, 2325, 2565, 2575, 2781, 2790, 2850, 2945, 3090, 3193, 3534, 3914, 4185, 4275, 4635, 4650, 5130, 5150, 5301, 5562, 5871, 5890, 6386, 6975, 7725, 8370, 8550, 8835, 9270, 9579, 9785, 10602, 11742, 12825, 13905, 13950, 14725, 15450, 15903, 15965, 17613, 17670, 19158, 19570, 20925, 23175, 25650, 26505, 27810, 28737, 29355, 29450, 31806, 31930, 35226, 41850, 44175, 46350, 47895, 48925, 52839, 53010, 57474, 58710, 60667, 69525, 79515, 79825, 86211, 88065, 88350, 95790, 97850, 105678, 121334, 132525, 139050, 143685, 146775, 159030, 159650, 172422, 176130, 182001, 239475, 264195, 265050, 287370, 293550, 303335, 364002, 397575, 431055, 440325, 478950, 528390, 546003, 606670, 718425, 795150, 862110, 880650, 910005, 1092006, 1320975, 1436850, 1516675, 1638009, 1820010, 2155275, 2641950, 2730015, 3033350, 3276018, 4310550, 4550025, 5460030, 8190045, 9100050, 13650075, 16380090, 27300150, 40950225, 81900450]

約数ペア:

[(1, 81900450), (2, 40950225), (3, 27300150), (5, 16380090), (6, 13650075), (9, 9100050), (10, 8190045), (15, 5460030), (18, 4550025), (19, 4310550), (25, 3276018), (27, 3033350), (30, 2730015), (31, 2641950), (38, 2155275), (45, 1820010), (50, 1638009), (54, 1516675), (57, 1436850), (62, 1320975), (75, 1092006), (90, 910005), (93, 880650), (95, 862110), (103, 795150), (114, 718425), (135, 606670), (150, 546003), (155, 528390), (171, 478950), (186, 440325), (190, 431055), (206, 397575), (225, 364002), (270, 303335), (279, 293550), (285, 287370), (309, 265050), (310, 264195), (342, 239475), (450, 182001), (465, 176130), (475, 172422), (513, 159650), (515, 159030), (558, 146775), (570, 143685), (589, 139050), (618, 132525), (675, 121334), (775, 105678), (837, 97850), (855, 95790), (927, 88350), (930, 88065), (950, 86211), (1026, 79825), (1030, 79515), (1178, 69525), (1350, 60667), (1395, 58710), (1425, 57474), (1545, 53010), (1550, 52839), (1674, 48925), (1710, 47895), (1767, 46350), (1854, 44175), (1957, 41850), (2325, 35226), (2565, 31930), (2575, 31806), (2781, 29450), (2790, 29355), (2850, 28737), (2945, 27810), (3090, 26505), (3193, 25650), (3534, 23175), (3914, 20925), (4185, 19570), (4275, 19158), (4635, 17670), (4650, 17613), (5130, 15965), (5150, 15903), (5301, 15450), (5562, 14725), (5871, 13950), (5890, 13905), (6386, 12825), (6975, 11742), (7725, 10602), (8370, 9785), (8550, 9579), (8835, 9270)]