12887940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 41319936

約数和(自身を除く): 28431996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 41, 52, 60, 62, 65, 78, 82, 93, 123, 124, 130, 155, 156, 164, 169, 186, 195, 205, 246, 260, 310, 338, 372, 390, 403, 410, 465, 492, 507, 533, 615, 620, 676, 780, 806, 820, 845, 930, 1014, 1066, 1209, 1230, 1271, 1599, 1612, 1690, 1860, 2015, 2028, 2132, 2418, 2460, 2535, 2542, 2665, 3198, 3380, 3813, 4030, 4836, 5070, 5084, 5239, 5330, 6045, 6355, 6396, 6929, 7626, 7995, 8060, 10140, 10478, 10660, 12090, 12710, 13858, 15252, 15717, 15990, 16523, 19065, 20787, 20956, 24180, 25420, 26195, 27716, 31434, 31980, 33046, 34645, 38130, 41574, 49569, 52390, 62868, 66092, 69290, 76260, 78585, 82615, 83148, 99138, 103935, 104780, 138580, 157170, 165230, 198276, 207870, 214799, 247845, 314340, 330460, 415740, 429598, 495690, 644397, 859196, 991380, 1073995, 1288794, 2147990, 2577588, 3221985, 4295980, 6443970, 12887940]

約数ペア:

[(1, 12887940), (2, 6443970), (3, 4295980), (4, 3221985), (5, 2577588), (6, 2147990), (10, 1288794), (12, 1073995), (13, 991380), (15, 859196), (20, 644397), (26, 495690), (30, 429598), (31, 415740), (39, 330460), (41, 314340), (52, 247845), (60, 214799), (62, 207870), (65, 198276), (78, 165230), (82, 157170), (93, 138580), (123, 104780), (124, 103935), (130, 99138), (155, 83148), (156, 82615), (164, 78585), (169, 76260), (186, 69290), (195, 66092), (205, 62868), (246, 52390), (260, 49569), (310, 41574), (338, 38130), (372, 34645), (390, 33046), (403, 31980), (410, 31434), (465, 27716), (492, 26195), (507, 25420), (533, 24180), (615, 20956), (620, 20787), (676, 19065), (780, 16523), (806, 15990), (820, 15717), (845, 15252), (930, 13858), (1014, 12710), (1066, 12090), (1209, 10660), (1230, 10478), (1271, 10140), (1599, 8060), (1612, 7995), (1690, 7626), (1860, 6929), (2015, 6396), (2028, 6355), (2132, 6045), (2418, 5330), (2460, 5239), (2535, 5084), (2542, 5070), (2665, 4836), (3198, 4030), (3380, 3813)]