1287127920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4253}}^1$

素因数の和:4379

約数の個数: 160

約数和(自身を含む): 4342347072

約数和(自身を除く): 3055219152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 97, 104, 120, 130, 156, 194, 195, 208, 240, 260, 291, 312, 388, 390, 485, 520, 582, 624, 776, 780, 970, 1040, 1164, 1261, 1455, 1552, 1560, 1940, 2328, 2522, 2910, 3120, 3783, 3880, 4253, 4656, 5044, 5820, 6305, 7566, 7760, 8506, 10088, 11640, 12610, 12759, 15132, 17012, 18915, 20176, 21265, 23280, 25220, 25518, 30264, 34024, 37830, 42530, 50440, 51036, 55289, 60528, 63795, 68048, 75660, 85060, 100880, 102072, 110578, 127590, 151320, 165867, 170120, 204144, 221156, 255180, 276445, 302640, 331734, 340240, 412541, 442312, 510360, 552890, 663468, 825082, 829335, 884624, 1020720, 1105780, 1237623, 1326936, 1650164, 1658670, 2062705, 2211560, 2475246, 2653872, 3300328, 3317340, 4125410, 4423120, 4950492, 5363033, 6188115, 6600656, 6634680, 8250820, 9900984, 10726066, 12376230, 13269360, 16089099, 16501640, 19801968, 21452132, 24752460, 26815165, 32178198, 33003280, 42904264, 49504920, 53630330, 64356396, 80445495, 85808528, 99009840, 107260660, 128712792, 160890990, 214521320, 257425584, 321781980, 429042640, 643563960, 1287127920]

約数ペア:

[(1, 1287127920), (2, 643563960), (3, 429042640), (4, 321781980), (5, 257425584), (6, 214521320), (8, 160890990), (10, 128712792), (12, 107260660), (13, 99009840), (15, 85808528), (16, 80445495), (20, 64356396), (24, 53630330), (26, 49504920), (30, 42904264), (39, 33003280), (40, 32178198), (48, 26815165), (52, 24752460), (60, 21452132), (65, 19801968), (78, 16501640), (80, 16089099), (97, 13269360), (104, 12376230), (120, 10726066), (130, 9900984), (156, 8250820), (194, 6634680), (195, 6600656), (208, 6188115), (240, 5363033), (260, 4950492), (291, 4423120), (312, 4125410), (388, 3317340), (390, 3300328), (485, 2653872), (520, 2475246), (582, 2211560), (624, 2062705), (776, 1658670), (780, 1650164), (970, 1326936), (1040, 1237623), (1164, 1105780), (1261, 1020720), (1455, 884624), (1552, 829335), (1560, 825082), (1940, 663468), (2328, 552890), (2522, 510360), (2910, 442312), (3120, 412541), (3783, 340240), (3880, 331734), (4253, 302640), (4656, 276445), (5044, 255180), (5820, 221156), (6305, 204144), (7566, 170120), (7760, 165867), (8506, 151320), (10088, 127590), (11640, 110578), (12610, 102072), (12759, 100880), (15132, 85060), (17012, 75660), (18915, 68048), (20176, 63795), (21265, 60528), (23280, 55289), (25220, 51036), (25518, 50440), (30264, 42530), (34024, 37830)]