257091680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3049}}^1$

素因数の和:3112

約数の個数: 96

約数和(自身を含む): 664070400

約数和(自身を除く): 406978720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 340, 496, 527, 544, 620, 680, 992, 1054, 1240, 1360, 2108, 2480, 2635, 2720, 3049, 4216, 4960, 5270, 6098, 8432, 10540, 12196, 15245, 16864, 21080, 24392, 30490, 42160, 48784, 51833, 60980, 84320, 94519, 97568, 103666, 121960, 189038, 207332, 243920, 259165, 378076, 414664, 472595, 487840, 518330, 756152, 829328, 945190, 1036660, 1512304, 1606823, 1658656, 1890380, 2073320, 3024608, 3213646, 3780760, 4146640, 6427292, 7561520, 8034115, 8293280, 12854584, 15123040, 16068230, 25709168, 32136460, 51418336, 64272920, 128545840, 257091680]

約数ペア:

[(1, 257091680), (2, 128545840), (4, 64272920), (5, 51418336), (8, 32136460), (10, 25709168), (16, 16068230), (17, 15123040), (20, 12854584), (31, 8293280), (32, 8034115), (34, 7561520), (40, 6427292), (62, 4146640), (68, 3780760), (80, 3213646), (85, 3024608), (124, 2073320), (136, 1890380), (155, 1658656), (160, 1606823), (170, 1512304), (248, 1036660), (272, 945190), (310, 829328), (340, 756152), (496, 518330), (527, 487840), (544, 472595), (620, 414664), (680, 378076), (992, 259165), (1054, 243920), (1240, 207332), (1360, 189038), (2108, 121960), (2480, 103666), (2635, 97568), (2720, 94519), (3049, 84320), (4216, 60980), (4960, 51833), (5270, 48784), (6098, 42160), (8432, 30490), (10540, 24392), (12196, 21080), (15245, 16864)]