28539810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 84188160

約数和(自身を除く): 55648350

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 47, 54, 65, 78, 90, 94, 117, 130, 135, 141, 173, 195, 234, 235, 270, 282, 346, 351, 390, 423, 470, 519, 585, 611, 702, 705, 846, 865, 1038, 1170, 1222, 1269, 1410, 1557, 1730, 1755, 1833, 2115, 2249, 2538, 2595, 3055, 3114, 3510, 3666, 4230, 4498, 4671, 5190, 5499, 6110, 6345, 6747, 7785, 8131, 9165, 9342, 10998, 11245, 12690, 13494, 15570, 16262, 16497, 18330, 20241, 22490, 23355, 24393, 27495, 32994, 33735, 40482, 40655, 46710, 48786, 54990, 60723, 67470, 73179, 81310, 82485, 101205, 105703, 121446, 121965, 146358, 164970, 202410, 211406, 219537, 243930, 303615, 317109, 365895, 439074, 528515, 607230, 634218, 731790, 951327, 1057030, 1097685, 1585545, 1902654, 2195370, 2853981, 3171090, 4756635, 5707962, 9513270, 14269905, 28539810]

約数ペア:

[(1, 28539810), (2, 14269905), (3, 9513270), (5, 5707962), (6, 4756635), (9, 3171090), (10, 2853981), (13, 2195370), (15, 1902654), (18, 1585545), (26, 1097685), (27, 1057030), (30, 951327), (39, 731790), (45, 634218), (47, 607230), (54, 528515), (65, 439074), (78, 365895), (90, 317109), (94, 303615), (117, 243930), (130, 219537), (135, 211406), (141, 202410), (173, 164970), (195, 146358), (234, 121965), (235, 121446), (270, 105703), (282, 101205), (346, 82485), (351, 81310), (390, 73179), (423, 67470), (470, 60723), (519, 54990), (585, 48786), (611, 46710), (702, 40655), (705, 40482), (846, 33735), (865, 32994), (1038, 27495), (1170, 24393), (1222, 23355), (1269, 22490), (1410, 20241), (1557, 18330), (1730, 16497), (1755, 16262), (1833, 15570), (2115, 13494), (2249, 12690), (2538, 11245), (2595, 10998), (3055, 9342), (3114, 9165), (3510, 8131), (3666, 7785), (4230, 6747), (4498, 6345), (4671, 6110), (5190, 5499)]