21245165280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{207797}}^1$

素因数の和:207889

約数の個数: 144

約数和(自身を含む): 73520594784

約数和(自身を除く): 52275429504

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1440, 1704, 2130, 2272, 2556, 2840, 3195, 3408, 4260, 5112, 5680, 6390, 6816, 8520, 10224, 11360, 12780, 17040, 20448, 25560, 34080, 51120, 102240, 207797, 415594, 623391, 831188, 1038985, 1246782, 1662376, 1870173, 2077970, 2493564, 3116955, 3324752, 3740346, 4155940, 4987128, 6233910, 6649504, 7480692, 8311880, 9350865, 9974256, 12467820, 14753587, 14961384, 16623760, 18701730, 19948512, 24935640, 29507174, 29922768, 33247520, 37403460, 44260761, 49871280, 59014348, 59845536, 73767935, 74806920, 88521522, 99742560, 118028696, 132782283, 147535870, 149613840, 177043044, 221303805, 236057392, 265564566, 295071740, 299227680, 354086088, 442607610, 472114784, 531129132, 590143480, 663911415, 708172176, 885215220, 1062258264, 1180286960, 1327822830, 1416344352, 1770430440, 2124516528, 2360573920, 2655645660, 3540860880, 4249033056, 5311291320, 7081721760, 10622582640, 21245165280]

約数ペア:

[(1, 21245165280), (2, 10622582640), (3, 7081721760), (4, 5311291320), (5, 4249033056), (6, 3540860880), (8, 2655645660), (9, 2360573920), (10, 2124516528), (12, 1770430440), (15, 1416344352), (16, 1327822830), (18, 1180286960), (20, 1062258264), (24, 885215220), (30, 708172176), (32, 663911415), (36, 590143480), (40, 531129132), (45, 472114784), (48, 442607610), (60, 354086088), (71, 299227680), (72, 295071740), (80, 265564566), (90, 236057392), (96, 221303805), (120, 177043044), (142, 149613840), (144, 147535870), (160, 132782283), (180, 118028696), (213, 99742560), (240, 88521522), (284, 74806920), (288, 73767935), (355, 59845536), (360, 59014348), (426, 49871280), (480, 44260761), (568, 37403460), (639, 33247520), (710, 29922768), (720, 29507174), (852, 24935640), (1065, 19948512), (1136, 18701730), (1278, 16623760), (1420, 14961384), (1440, 14753587), (1704, 12467820), (2130, 9974256), (2272, 9350865), (2556, 8311880), (2840, 7480692), (3195, 6649504), (3408, 6233910), (4260, 4987128), (5112, 4155940), (5680, 3740346), (6390, 3324752), (6816, 3116955), (8520, 2493564), (10224, 2077970), (11360, 1870173), (12780, 1662376), (17040, 1246782), (20448, 1038985), (25560, 831188), (34080, 623391), (51120, 415594), (102240, 207797)]