30689040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1888

約数の個数: 80

約数和(自身を含む): 96529536

約数和(自身を除く): 65840496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 1801, 2130, 2840, 3408, 3602, 4260, 5403, 5680, 7204, 8520, 9005, 10806, 14408, 17040, 18010, 21612, 27015, 28816, 36020, 43224, 54030, 72040, 86448, 108060, 127871, 144080, 216120, 255742, 383613, 432240, 511484, 639355, 767226, 1022968, 1278710, 1534452, 1918065, 2045936, 2557420, 3068904, 3836130, 5114840, 6137808, 7672260, 10229680, 15344520, 30689040]

約数ペア:

[(1, 30689040), (2, 15344520), (3, 10229680), (4, 7672260), (5, 6137808), (6, 5114840), (8, 3836130), (10, 3068904), (12, 2557420), (15, 2045936), (16, 1918065), (20, 1534452), (24, 1278710), (30, 1022968), (40, 767226), (48, 639355), (60, 511484), (71, 432240), (80, 383613), (120, 255742), (142, 216120), (213, 144080), (240, 127871), (284, 108060), (355, 86448), (426, 72040), (568, 54030), (710, 43224), (852, 36020), (1065, 28816), (1136, 27015), (1420, 21612), (1704, 18010), (1801, 17040), (2130, 14408), (2840, 10806), (3408, 9005), (3602, 8520), (4260, 7204), (5403, 5680)]