721128432

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{10009}}^1$

素因数の和:10118

約数の個数: 80

約数和(自身を含む): 1985984000

約数和(自身を除く): 1264855568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 79, 114, 152, 158, 228, 237, 304, 316, 456, 474, 632, 912, 948, 1264, 1501, 1896, 3002, 3792, 4503, 6004, 9006, 10009, 12008, 18012, 20018, 24016, 30027, 36024, 40036, 60054, 72048, 80072, 120108, 160144, 190171, 240216, 380342, 480432, 570513, 760684, 790711, 1141026, 1521368, 1581422, 2282052, 2372133, 3042736, 3162844, 4564104, 4744266, 6325688, 9128208, 9488532, 12651376, 15023509, 18977064, 30047018, 37954128, 45070527, 60094036, 90141054, 120188072, 180282108, 240376144, 360564216, 721128432]

約数ペア:

[(1, 721128432), (2, 360564216), (3, 240376144), (4, 180282108), (6, 120188072), (8, 90141054), (12, 60094036), (16, 45070527), (19, 37954128), (24, 30047018), (38, 18977064), (48, 15023509), (57, 12651376), (76, 9488532), (79, 9128208), (114, 6325688), (152, 4744266), (158, 4564104), (228, 3162844), (237, 3042736), (304, 2372133), (316, 2282052), (456, 1581422), (474, 1521368), (632, 1141026), (912, 790711), (948, 760684), (1264, 570513), (1501, 480432), (1896, 380342), (3002, 240216), (3792, 190171), (4503, 160144), (6004, 120108), (9006, 80072), (10009, 72048), (12008, 60054), (18012, 40036), (20018, 36024), (24016, 30027)]