281397870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10457}}^1$

素因数の和:10506

約数の個数: 96

約数和(自身を含む): 822249792

約数和(自身を除く): 540851922

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 30, 39, 45, 46, 65, 69, 78, 90, 115, 117, 130, 138, 195, 207, 230, 234, 299, 345, 390, 414, 585, 598, 690, 897, 1035, 1170, 1495, 1794, 2070, 2691, 2990, 4485, 5382, 8970, 10457, 13455, 20914, 26910, 31371, 52285, 62742, 94113, 104570, 135941, 156855, 188226, 240511, 271882, 313710, 407823, 470565, 481022, 679705, 721533, 815646, 941130, 1202555, 1223469, 1359410, 1443066, 2039115, 2164599, 2405110, 2446938, 3126643, 3607665, 4078230, 4329198, 6117345, 6253286, 7215330, 9379929, 10822995, 12234690, 15633215, 18759858, 21645990, 28139787, 31266430, 46899645, 56279574, 93799290, 140698935, 281397870]

約数ペア:

[(1, 281397870), (2, 140698935), (3, 93799290), (5, 56279574), (6, 46899645), (9, 31266430), (10, 28139787), (13, 21645990), (15, 18759858), (18, 15633215), (23, 12234690), (26, 10822995), (30, 9379929), (39, 7215330), (45, 6253286), (46, 6117345), (65, 4329198), (69, 4078230), (78, 3607665), (90, 3126643), (115, 2446938), (117, 2405110), (130, 2164599), (138, 2039115), (195, 1443066), (207, 1359410), (230, 1223469), (234, 1202555), (299, 941130), (345, 815646), (390, 721533), (414, 679705), (585, 481022), (598, 470565), (690, 407823), (897, 313710), (1035, 271882), (1170, 240511), (1495, 188226), (1794, 156855), (2070, 135941), (2691, 104570), (2990, 94113), (4485, 62742), (5382, 52285), (8970, 31371), (10457, 26910), (13455, 20914)]