78857220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:374

約数の個数: 192

約数和(自身を含む): 265870080

約数和(自身を除く): 187012860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 19, 20, 26, 30, 34, 38, 39, 51, 52, 57, 60, 65, 68, 76, 78, 85, 95, 102, 114, 130, 156, 170, 190, 195, 204, 221, 228, 247, 255, 260, 285, 313, 323, 340, 380, 390, 442, 494, 510, 570, 626, 646, 663, 741, 780, 884, 939, 969, 988, 1020, 1105, 1140, 1235, 1252, 1292, 1326, 1482, 1565, 1615, 1878, 1938, 2210, 2470, 2652, 2964, 3130, 3230, 3315, 3705, 3756, 3876, 4069, 4199, 4420, 4695, 4845, 4940, 5321, 5947, 6260, 6460, 6630, 7410, 8138, 8398, 9390, 9690, 10642, 11894, 12207, 12597, 13260, 14820, 15963, 16276, 16796, 17841, 18780, 19380, 20345, 20995, 21284, 23788, 24414, 25194, 26605, 29735, 31926, 35682, 40690, 41990, 48828, 50388, 53210, 59470, 61035, 62985, 63852, 69173, 71364, 77311, 79815, 81380, 83980, 89205, 101099, 106420, 118940, 122070, 125970, 138346, 154622, 159630, 178410, 202198, 207519, 231933, 244140, 251940, 276692, 303297, 309244, 319260, 345865, 356820, 386555, 404396, 415038, 463866, 505495, 606594, 691730, 773110, 830076, 927732, 1010990, 1037595, 1159665, 1213188, 1314287, 1383460, 1516485, 1546220, 2021980, 2075190, 2319330, 2628574, 3032970, 3942861, 4150380, 4638660, 5257148, 6065940, 6571435, 7885722, 13142870, 15771444, 19714305, 26285740, 39428610, 78857220]

約数ペア:

[(1, 78857220), (2, 39428610), (3, 26285740), (4, 19714305), (5, 15771444), (6, 13142870), (10, 7885722), (12, 6571435), (13, 6065940), (15, 5257148), (17, 4638660), (19, 4150380), (20, 3942861), (26, 3032970), (30, 2628574), (34, 2319330), (38, 2075190), (39, 2021980), (51, 1546220), (52, 1516485), (57, 1383460), (60, 1314287), (65, 1213188), (68, 1159665), (76, 1037595), (78, 1010990), (85, 927732), (95, 830076), (102, 773110), (114, 691730), (130, 606594), (156, 505495), (170, 463866), (190, 415038), (195, 404396), (204, 386555), (221, 356820), (228, 345865), (247, 319260), (255, 309244), (260, 303297), (285, 276692), (313, 251940), (323, 244140), (340, 231933), (380, 207519), (390, 202198), (442, 178410), (494, 159630), (510, 154622), (570, 138346), (626, 125970), (646, 122070), (663, 118940), (741, 106420), (780, 101099), (884, 89205), (939, 83980), (969, 81380), (988, 79815), (1020, 77311), (1105, 71364), (1140, 69173), (1235, 63852), (1252, 62985), (1292, 61035), (1326, 59470), (1482, 53210), (1565, 50388), (1615, 48828), (1878, 41990), (1938, 40690), (2210, 35682), (2470, 31926), (2652, 29735), (2964, 26605), (3130, 25194), (3230, 24414), (3315, 23788), (3705, 21284), (3756, 20995), (3876, 20345), (4069, 19380), (4199, 18780), (4420, 17841), (4695, 16796), (4845, 16276), (4940, 15963), (5321, 14820), (5947, 13260), (6260, 12597), (6460, 12207), (6630, 11894), (7410, 10642), (8138, 9690), (8398, 9390)]