15972996

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:373

約数の個数: 96

約数和(自身を含む): 44876160

約数和(自身を除く): 28903164

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 19, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 114, 156, 204, 221, 228, 247, 317, 323, 442, 494, 634, 646, 663, 741, 884, 951, 969, 988, 1268, 1292, 1326, 1482, 1902, 1938, 2652, 2964, 3804, 3876, 4121, 4199, 5389, 6023, 8242, 8398, 10778, 12046, 12363, 12597, 16167, 16484, 16796, 18069, 21556, 24092, 24726, 25194, 32334, 36138, 49452, 50388, 64668, 70057, 72276, 78299, 102391, 140114, 156598, 204782, 210171, 234897, 280228, 307173, 313196, 409564, 420342, 469794, 614346, 840684, 939588, 1228692, 1331083, 2662166, 3993249, 5324332, 7986498, 15972996]

約数ペア:

[(1, 15972996), (2, 7986498), (3, 5324332), (4, 3993249), (6, 2662166), (12, 1331083), (13, 1228692), (17, 939588), (19, 840684), (26, 614346), (34, 469794), (38, 420342), (39, 409564), (51, 313196), (52, 307173), (57, 280228), (68, 234897), (76, 210171), (78, 204782), (102, 156598), (114, 140114), (156, 102391), (204, 78299), (221, 72276), (228, 70057), (247, 64668), (317, 50388), (323, 49452), (442, 36138), (494, 32334), (634, 25194), (646, 24726), (663, 24092), (741, 21556), (884, 18069), (951, 16796), (969, 16484), (988, 16167), (1268, 12597), (1292, 12363), (1326, 12046), (1482, 10778), (1902, 8398), (1938, 8242), (2652, 6023), (2964, 5389), (3804, 4199), (3876, 4121)]