78378534

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 207851280

約数和(自身を除く): 129472746

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 19, 26, 34, 38, 39, 51, 57, 61, 78, 102, 114, 117, 122, 153, 171, 183, 221, 234, 247, 289, 306, 323, 342, 366, 442, 494, 549, 578, 646, 663, 741, 793, 867, 969, 1037, 1098, 1159, 1326, 1482, 1586, 1734, 1938, 1989, 2074, 2223, 2318, 2379, 2601, 2907, 3111, 3477, 3757, 3978, 4199, 4446, 4758, 5202, 5491, 5814, 6222, 6954, 7137, 7514, 8398, 9333, 10431, 10982, 11271, 12597, 13481, 14274, 15067, 16473, 17629, 18666, 19703, 20862, 22542, 25194, 26962, 30134, 32946, 33813, 35258, 37791, 39406, 40443, 45201, 49419, 52887, 59109, 67626, 71383, 75582, 80886, 90402, 98838, 105774, 118218, 121329, 135603, 142766, 158661, 177327, 214149, 229177, 242658, 256139, 271206, 317322, 334951, 354654, 428298, 458354, 512278, 642447, 669902, 687531, 768417, 1004853, 1284894, 1375062, 1536834, 2009706, 2062593, 2305251, 3014559, 4125186, 4354363, 4610502, 6029118, 8708726, 13063089, 26126178, 39189267, 78378534]

約数ペア:

[(1, 78378534), (2, 39189267), (3, 26126178), (6, 13063089), (9, 8708726), (13, 6029118), (17, 4610502), (18, 4354363), (19, 4125186), (26, 3014559), (34, 2305251), (38, 2062593), (39, 2009706), (51, 1536834), (57, 1375062), (61, 1284894), (78, 1004853), (102, 768417), (114, 687531), (117, 669902), (122, 642447), (153, 512278), (171, 458354), (183, 428298), (221, 354654), (234, 334951), (247, 317322), (289, 271206), (306, 256139), (323, 242658), (342, 229177), (366, 214149), (442, 177327), (494, 158661), (549, 142766), (578, 135603), (646, 121329), (663, 118218), (741, 105774), (793, 98838), (867, 90402), (969, 80886), (1037, 75582), (1098, 71383), (1159, 67626), (1326, 59109), (1482, 52887), (1586, 49419), (1734, 45201), (1938, 40443), (1989, 39406), (2074, 37791), (2223, 35258), (2318, 33813), (2379, 32946), (2601, 30134), (2907, 26962), (3111, 25194), (3477, 22542), (3757, 20862), (3978, 19703), (4199, 18666), (4446, 17629), (4758, 16473), (5202, 15067), (5491, 14274), (5814, 13481), (6222, 12597), (6954, 11271), (7137, 10982), (7514, 10431), (8398, 9333)]