281330790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42433}}^1$

素因数の和:42473

約数の個数: 64

約数和(自身を含む): 769922496

約数和(自身を除く): 488591706

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 42433, 84866, 127299, 212165, 254598, 424330, 551629, 636495, 721361, 1103258, 1272990, 1442722, 1654887, 2164083, 2758145, 3309774, 3606805, 4328166, 5516290, 7213610, 8274435, 9377693, 10820415, 16548870, 18755386, 21640830, 28133079, 46888465, 56266158, 93776930, 140665395, 281330790]

約数ペア:

[(1, 281330790), (2, 140665395), (3, 93776930), (5, 56266158), (6, 46888465), (10, 28133079), (13, 21640830), (15, 18755386), (17, 16548870), (26, 10820415), (30, 9377693), (34, 8274435), (39, 7213610), (51, 5516290), (65, 4328166), (78, 3606805), (85, 3309774), (102, 2758145), (130, 2164083), (170, 1654887), (195, 1442722), (221, 1272990), (255, 1103258), (390, 721361), (442, 636495), (510, 551629), (663, 424330), (1105, 254598), (1326, 212165), (2210, 127299), (3315, 84866), (6630, 42433)]