720199220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1283}}^1$

素因数の和:1449

約数の個数: 96

約数和(自身を含む): 1739501568

約数和(自身を除く): 1019302348

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 127, 130, 170, 221, 254, 260, 340, 442, 508, 635, 884, 1105, 1270, 1283, 1651, 2159, 2210, 2540, 2566, 3302, 4318, 4420, 5132, 6415, 6604, 8255, 8636, 10795, 12830, 16510, 16679, 21590, 21811, 25660, 28067, 33020, 33358, 43180, 43622, 56134, 66716, 83395, 87244, 109055, 112268, 140335, 162941, 166790, 218110, 280670, 283543, 325882, 333580, 436220, 561340, 567086, 651764, 814705, 1134172, 1417715, 1629410, 2118233, 2769997, 2835430, 3258820, 4236466, 5539994, 5670860, 8472932, 10591165, 11079988, 13849985, 21182330, 27699970, 36009961, 42364660, 55399940, 72019922, 144039844, 180049805, 360099610, 720199220]

約数ペア:

[(1, 720199220), (2, 360099610), (4, 180049805), (5, 144039844), (10, 72019922), (13, 55399940), (17, 42364660), (20, 36009961), (26, 27699970), (34, 21182330), (52, 13849985), (65, 11079988), (68, 10591165), (85, 8472932), (127, 5670860), (130, 5539994), (170, 4236466), (221, 3258820), (254, 2835430), (260, 2769997), (340, 2118233), (442, 1629410), (508, 1417715), (635, 1134172), (884, 814705), (1105, 651764), (1270, 567086), (1283, 561340), (1651, 436220), (2159, 333580), (2210, 325882), (2540, 283543), (2566, 280670), (3302, 218110), (4318, 166790), (4420, 162941), (5132, 140335), (6415, 112268), (6604, 109055), (8255, 87244), (8636, 83395), (10795, 66716), (12830, 56134), (16510, 43622), (16679, 43180), (21590, 33358), (21811, 33020), (25660, 28067)]