2742880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 7741440

約数和(自身を除く): 4998560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 79, 80, 112, 124, 140, 155, 158, 160, 217, 224, 248, 280, 310, 316, 395, 434, 496, 553, 560, 620, 632, 790, 868, 992, 1085, 1106, 1120, 1240, 1264, 1580, 1736, 2170, 2212, 2449, 2480, 2528, 2765, 3160, 3472, 4340, 4424, 4898, 4960, 5530, 6320, 6944, 8680, 8848, 9796, 11060, 12245, 12640, 17143, 17360, 17696, 19592, 22120, 24490, 34286, 34720, 39184, 44240, 48980, 68572, 78368, 85715, 88480, 97960, 137144, 171430, 195920, 274288, 342860, 391840, 548576, 685720, 1371440, 2742880]

約数ペア:

[(1, 2742880), (2, 1371440), (4, 685720), (5, 548576), (7, 391840), (8, 342860), (10, 274288), (14, 195920), (16, 171430), (20, 137144), (28, 97960), (31, 88480), (32, 85715), (35, 78368), (40, 68572), (56, 48980), (62, 44240), (70, 39184), (79, 34720), (80, 34286), (112, 24490), (124, 22120), (140, 19592), (155, 17696), (158, 17360), (160, 17143), (217, 12640), (224, 12245), (248, 11060), (280, 9796), (310, 8848), (316, 8680), (395, 6944), (434, 6320), (496, 5530), (553, 4960), (560, 4898), (620, 4424), (632, 4340), (790, 3472), (868, 3160), (992, 2765), (1085, 2528), (1106, 2480), (1120, 2449), (1240, 2212), (1264, 2170), (1580, 1736)]