1229157280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:519

約数の個数: 144

約数和(自身を含む): 3177576864

約数和(自身を除く): 1948419584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 131, 160, 169, 208, 260, 262, 338, 347, 416, 520, 524, 655, 676, 694, 845, 1040, 1048, 1310, 1352, 1388, 1690, 1703, 1735, 2080, 2096, 2620, 2704, 2776, 3380, 3406, 3470, 4192, 4511, 5240, 5408, 5552, 6760, 6812, 6940, 8515, 9022, 10480, 11104, 13520, 13624, 13880, 17030, 18044, 20960, 22139, 22555, 27040, 27248, 27760, 34060, 36088, 44278, 45110, 45457, 54496, 55520, 58643, 68120, 72176, 88556, 90220, 90914, 110695, 117286, 136240, 144352, 177112, 180440, 181828, 221390, 227285, 234572, 272480, 293215, 354224, 360880, 363656, 442780, 454570, 469144, 586430, 590941, 708448, 721760, 727312, 885560, 909140, 938288, 1172860, 1181882, 1454624, 1771120, 1818280, 1876576, 2345720, 2363764, 2954705, 3542240, 3636560, 4691440, 4727528, 5909410, 7273120, 7682233, 9382880, 9455056, 11818820, 15364466, 18910112, 23637640, 30728932, 38411165, 47275280, 61457864, 76822330, 94550560, 122915728, 153644660, 245831456, 307289320, 614578640, 1229157280]

約数ペア:

[(1, 1229157280), (2, 614578640), (4, 307289320), (5, 245831456), (8, 153644660), (10, 122915728), (13, 94550560), (16, 76822330), (20, 61457864), (26, 47275280), (32, 38411165), (40, 30728932), (52, 23637640), (65, 18910112), (80, 15364466), (104, 11818820), (130, 9455056), (131, 9382880), (160, 7682233), (169, 7273120), (208, 5909410), (260, 4727528), (262, 4691440), (338, 3636560), (347, 3542240), (416, 2954705), (520, 2363764), (524, 2345720), (655, 1876576), (676, 1818280), (694, 1771120), (845, 1454624), (1040, 1181882), (1048, 1172860), (1310, 938288), (1352, 909140), (1388, 885560), (1690, 727312), (1703, 721760), (1735, 708448), (2080, 590941), (2096, 586430), (2620, 469144), (2704, 454570), (2776, 442780), (3380, 363656), (3406, 360880), (3470, 354224), (4192, 293215), (4511, 272480), (5240, 234572), (5408, 227285), (5552, 221390), (6760, 181828), (6812, 180440), (6940, 177112), (8515, 144352), (9022, 136240), (10480, 117286), (11104, 110695), (13520, 90914), (13624, 90220), (13880, 88556), (17030, 72176), (18044, 68120), (20960, 58643), (22139, 55520), (22555, 54496), (27040, 45457), (27248, 45110), (27760, 44278), (34060, 36088)]