28521090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1328

約数の個数: 96

約数和(自身を含む): 84127680

約数和(自身を除く): 55606590

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, 171, 190, 195, 234, 247, 285, 342, 390, 494, 570, 585, 741, 855, 1170, 1235, 1283, 1482, 1710, 2223, 2470, 2566, 3705, 3849, 4446, 6415, 7410, 7698, 11115, 11547, 12830, 16679, 19245, 22230, 23094, 24377, 33358, 38490, 48754, 50037, 57735, 73131, 83395, 100074, 115470, 121885, 146262, 150111, 166790, 219393, 243770, 250185, 300222, 316901, 365655, 438786, 500370, 633802, 731310, 750555, 950703, 1096965, 1501110, 1584505, 1901406, 2193930, 2852109, 3169010, 4753515, 5704218, 9507030, 14260545, 28521090]

約数ペア:

[(1, 28521090), (2, 14260545), (3, 9507030), (5, 5704218), (6, 4753515), (9, 3169010), (10, 2852109), (13, 2193930), (15, 1901406), (18, 1584505), (19, 1501110), (26, 1096965), (30, 950703), (38, 750555), (39, 731310), (45, 633802), (57, 500370), (65, 438786), (78, 365655), (90, 316901), (95, 300222), (114, 250185), (117, 243770), (130, 219393), (171, 166790), (190, 150111), (195, 146262), (234, 121885), (247, 115470), (285, 100074), (342, 83395), (390, 73131), (494, 57735), (570, 50037), (585, 48754), (741, 38490), (855, 33358), (1170, 24377), (1235, 23094), (1283, 22230), (1482, 19245), (1710, 16679), (2223, 12830), (2470, 11547), (2566, 11115), (3705, 7698), (3849, 7410), (4446, 6415)]