72363520

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1229}}^1$

素因数の和:1275

約数の個数: 80

約数和(自身を含む): 181193760

約数和(自身を除く): 108830240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1229, 1280, 1472, 1840, 2458, 2560, 2944, 3680, 4916, 5888, 6145, 7360, 9832, 11776, 12290, 14720, 19664, 24580, 28267, 29440, 39328, 49160, 56534, 58880, 78656, 98320, 113068, 141335, 157312, 196640, 226136, 282670, 314624, 393280, 452272, 565340, 629248, 786560, 904544, 1130680, 1573120, 1809088, 2261360, 3146240, 3618176, 4522720, 7236352, 9045440, 14472704, 18090880, 36181760, 72363520]

約数ペア:

[(1, 72363520), (2, 36181760), (4, 18090880), (5, 14472704), (8, 9045440), (10, 7236352), (16, 4522720), (20, 3618176), (23, 3146240), (32, 2261360), (40, 1809088), (46, 1573120), (64, 1130680), (80, 904544), (92, 786560), (115, 629248), (128, 565340), (160, 452272), (184, 393280), (230, 314624), (256, 282670), (320, 226136), (368, 196640), (460, 157312), (512, 141335), (640, 113068), (736, 98320), (920, 78656), (1229, 58880), (1280, 56534), (1472, 49160), (1840, 39328), (2458, 29440), (2560, 28267), (2944, 24580), (3680, 19664), (4916, 14720), (5888, 12290), (6145, 11776), (7360, 9832)]