81784170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:341

約数の個数: 144

約数和(自身を含む): 243228960

約数和(自身を除く): 161444790

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 78, 90, 95, 114, 117, 130, 169, 171, 190, 195, 234, 247, 283, 285, 338, 342, 390, 494, 507, 566, 570, 585, 741, 845, 849, 855, 1014, 1170, 1235, 1415, 1482, 1521, 1690, 1698, 1710, 2223, 2470, 2535, 2547, 2830, 3042, 3211, 3679, 3705, 4245, 4446, 5070, 5094, 5377, 6422, 7358, 7410, 7605, 8490, 9633, 10754, 11037, 11115, 12735, 15210, 16055, 16131, 18395, 19266, 22074, 22230, 25470, 26885, 28899, 32110, 32262, 33111, 36790, 47827, 48165, 48393, 53770, 55185, 57798, 66222, 69901, 80655, 95654, 96330, 96786, 110370, 139802, 143481, 144495, 161310, 165555, 209703, 239135, 241965, 286962, 288990, 331110, 349505, 419406, 430443, 478270, 483930, 629109, 699010, 717405, 860886, 908713, 1048515, 1258218, 1434810, 1817426, 2097030, 2152215, 2726139, 3145545, 4304430, 4543565, 5452278, 6291090, 8178417, 9087130, 13630695, 16356834, 27261390, 40892085, 81784170]

約数ペア:

[(1, 81784170), (2, 40892085), (3, 27261390), (5, 16356834), (6, 13630695), (9, 9087130), (10, 8178417), (13, 6291090), (15, 5452278), (18, 4543565), (19, 4304430), (26, 3145545), (30, 2726139), (38, 2152215), (39, 2097030), (45, 1817426), (57, 1434810), (65, 1258218), (78, 1048515), (90, 908713), (95, 860886), (114, 717405), (117, 699010), (130, 629109), (169, 483930), (171, 478270), (190, 430443), (195, 419406), (234, 349505), (247, 331110), (283, 288990), (285, 286962), (338, 241965), (342, 239135), (390, 209703), (494, 165555), (507, 161310), (566, 144495), (570, 143481), (585, 139802), (741, 110370), (845, 96786), (849, 96330), (855, 95654), (1014, 80655), (1170, 69901), (1235, 66222), (1415, 57798), (1482, 55185), (1521, 53770), (1690, 48393), (1698, 48165), (1710, 47827), (2223, 36790), (2470, 33111), (2535, 32262), (2547, 32110), (2830, 28899), (3042, 26885), (3211, 25470), (3679, 22230), (3705, 22074), (4245, 19266), (4446, 18395), (5070, 16131), (5094, 16055), (5377, 15210), (6422, 12735), (7358, 11115), (7410, 11037), (7605, 10754), (8490, 9633)]