721236504

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{20021}}^1$

素因数の和:20128

約数の個数: 64

約数和(自身を含む): 1922112000

約数和(自身を除く): 1200875496

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 79, 114, 152, 158, 228, 237, 316, 456, 474, 632, 948, 1501, 1896, 3002, 4503, 6004, 9006, 12008, 18012, 20021, 36024, 40042, 60063, 80084, 120126, 160168, 240252, 380399, 480504, 760798, 1141197, 1521596, 1581659, 2282394, 3043192, 3163318, 4564788, 4744977, 6326636, 9129576, 9489954, 12653272, 18979908, 30051521, 37959816, 60103042, 90154563, 120206084, 180309126, 240412168, 360618252, 721236504]

約数ペア:

[(1, 721236504), (2, 360618252), (3, 240412168), (4, 180309126), (6, 120206084), (8, 90154563), (12, 60103042), (19, 37959816), (24, 30051521), (38, 18979908), (57, 12653272), (76, 9489954), (79, 9129576), (114, 6326636), (152, 4744977), (158, 4564788), (228, 3163318), (237, 3043192), (316, 2282394), (456, 1581659), (474, 1521596), (632, 1141197), (948, 760798), (1501, 480504), (1896, 380399), (3002, 240252), (4503, 160168), (6004, 120126), (9006, 80084), (12008, 60063), (18012, 40042), (20021, 36024)]