28256676120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1377031}}^1$

素因数の和:1377070

約数の個数: 128

約数和(自身を含む): 99146304000

約数和(自身を除く): 70889627880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 1377031, 2754062, 4131093, 5508124, 6885155, 8262186, 11016248, 12393279, 13770310, 16524372, 20655465, 24786558, 26163589, 27540620, 33048744, 37179837, 41310930, 49573116, 52327178, 55081240, 61966395, 74359674, 78490767, 82621860, 99146232, 104654356, 123932790, 130817945, 148719348, 156981534, 165243720, 185899185, 209308712, 235472301, 247865580, 261635890, 297438696, 313963068, 371798370, 392453835, 470944602, 495731160, 523271780, 627926136, 706416903, 743596740, 784907670, 941889204, 1046543560, 1177361505, 1412833806, 1487193480, 1569815340, 1883778408, 2354723010, 2825667612, 3139630680, 3532084515, 4709446020, 5651335224, 7064169030, 9418892040, 14128338060, 28256676120]

約数ペア:

[(1, 28256676120), (2, 14128338060), (3, 9418892040), (4, 7064169030), (5, 5651335224), (6, 4709446020), (8, 3532084515), (9, 3139630680), (10, 2825667612), (12, 2354723010), (15, 1883778408), (18, 1569815340), (19, 1487193480), (20, 1412833806), (24, 1177361505), (27, 1046543560), (30, 941889204), (36, 784907670), (38, 743596740), (40, 706416903), (45, 627926136), (54, 523271780), (57, 495731160), (60, 470944602), (72, 392453835), (76, 371798370), (90, 313963068), (95, 297438696), (108, 261635890), (114, 247865580), (120, 235472301), (135, 209308712), (152, 185899185), (171, 165243720), (180, 156981534), (190, 148719348), (216, 130817945), (228, 123932790), (270, 104654356), (285, 99146232), (342, 82621860), (360, 78490767), (380, 74359674), (456, 61966395), (513, 55081240), (540, 52327178), (570, 49573116), (684, 41310930), (760, 37179837), (855, 33048744), (1026, 27540620), (1080, 26163589), (1140, 24786558), (1368, 20655465), (1710, 16524372), (2052, 13770310), (2280, 12393279), (2565, 11016248), (3420, 8262186), (4104, 6885155), (5130, 5508124), (6840, 4131093), (10260, 2754062), (20520, 1377031)]