1379071720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1721}}^1$

素因数の和:1835

約数の個数: 128

約数和(自身を含む): 3540983040

約数和(自身を除く): 2161911320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 67, 92, 104, 115, 130, 134, 184, 230, 260, 268, 299, 335, 460, 520, 536, 598, 670, 871, 920, 1196, 1340, 1495, 1541, 1721, 1742, 2392, 2680, 2990, 3082, 3442, 3484, 4355, 5980, 6164, 6884, 6968, 7705, 8605, 8710, 11960, 12328, 13768, 15410, 17210, 17420, 20033, 22373, 30820, 34420, 34840, 39583, 40066, 44746, 61640, 68840, 79166, 80132, 89492, 100165, 111865, 115307, 158332, 160264, 178984, 197915, 200330, 223730, 230614, 316664, 395830, 400660, 447460, 461228, 514579, 576535, 791660, 801320, 894920, 922456, 1029158, 1153070, 1498991, 1583320, 2058316, 2306140, 2572895, 2652061, 2997982, 4116632, 4612280, 5145790, 5304122, 5995964, 7494955, 10291580, 10608244, 11991928, 13260305, 14989910, 20583160, 21216488, 26520610, 29979820, 34476793, 53041220, 59959640, 68953586, 106082440, 137907172, 172383965, 275814344, 344767930, 689535860, 1379071720]

約数ペア:

[(1, 1379071720), (2, 689535860), (4, 344767930), (5, 275814344), (8, 172383965), (10, 137907172), (13, 106082440), (20, 68953586), (23, 59959640), (26, 53041220), (40, 34476793), (46, 29979820), (52, 26520610), (65, 21216488), (67, 20583160), (92, 14989910), (104, 13260305), (115, 11991928), (130, 10608244), (134, 10291580), (184, 7494955), (230, 5995964), (260, 5304122), (268, 5145790), (299, 4612280), (335, 4116632), (460, 2997982), (520, 2652061), (536, 2572895), (598, 2306140), (670, 2058316), (871, 1583320), (920, 1498991), (1196, 1153070), (1340, 1029158), (1495, 922456), (1541, 894920), (1721, 801320), (1742, 791660), (2392, 576535), (2680, 514579), (2990, 461228), (3082, 447460), (3442, 400660), (3484, 395830), (4355, 316664), (5980, 230614), (6164, 223730), (6884, 200330), (6968, 197915), (7705, 178984), (8605, 160264), (8710, 158332), (11960, 115307), (12328, 111865), (13768, 100165), (15410, 89492), (17210, 80132), (17420, 79166), (20033, 68840), (22373, 61640), (30820, 44746), (34420, 40066), (34840, 39583)]