30705990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2003}}^1$

素因数の和:2093

約数の個数: 64

約数和(自身を含む): 85418496

約数和(自身を除く): 54712506

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 365, 438, 511, 730, 1022, 1095, 1533, 2003, 2190, 2555, 3066, 4006, 5110, 6009, 7665, 10015, 12018, 14021, 15330, 20030, 28042, 30045, 42063, 60090, 70105, 84126, 140210, 146219, 210315, 292438, 420630, 438657, 731095, 877314, 1023533, 1462190, 2047066, 2193285, 3070599, 4386570, 5117665, 6141198, 10235330, 15352995, 30705990]

約数ペア:

[(1, 30705990), (2, 15352995), (3, 10235330), (5, 6141198), (6, 5117665), (7, 4386570), (10, 3070599), (14, 2193285), (15, 2047066), (21, 1462190), (30, 1023533), (35, 877314), (42, 731095), (70, 438657), (73, 420630), (105, 292438), (146, 210315), (210, 146219), (219, 140210), (365, 84126), (438, 70105), (511, 60090), (730, 42063), (1022, 30045), (1095, 28042), (1533, 20030), (2003, 15330), (2190, 14021), (2555, 12018), (3066, 10015), (4006, 7665), (5110, 6009)]