30178120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 96

約数和(自身を含む): 80335800

約数和(自身を除く): 50157680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 89, 98, 140, 173, 178, 196, 245, 280, 346, 356, 392, 445, 490, 623, 692, 712, 865, 890, 980, 1211, 1246, 1384, 1730, 1780, 1960, 2422, 2492, 3115, 3460, 3560, 4361, 4844, 4984, 6055, 6230, 6920, 8477, 8722, 9688, 12110, 12460, 15397, 16954, 17444, 21805, 24220, 24920, 30794, 33908, 34888, 42385, 43610, 48440, 61588, 67816, 76985, 84770, 87220, 107779, 123176, 153970, 169540, 174440, 215558, 307940, 339080, 431116, 538895, 615880, 754453, 862232, 1077790, 1508906, 2155580, 3017812, 3772265, 4311160, 6035624, 7544530, 15089060, 30178120]

約数ペア:

[(1, 30178120), (2, 15089060), (4, 7544530), (5, 6035624), (7, 4311160), (8, 3772265), (10, 3017812), (14, 2155580), (20, 1508906), (28, 1077790), (35, 862232), (40, 754453), (49, 615880), (56, 538895), (70, 431116), (89, 339080), (98, 307940), (140, 215558), (173, 174440), (178, 169540), (196, 153970), (245, 123176), (280, 107779), (346, 87220), (356, 84770), (392, 76985), (445, 67816), (490, 61588), (623, 48440), (692, 43610), (712, 42385), (865, 34888), (890, 33908), (980, 30794), (1211, 24920), (1246, 24220), (1384, 21805), (1730, 17444), (1780, 16954), (1960, 15397), (2422, 12460), (2492, 12110), (3115, 9688), (3460, 8722), (3560, 8477), (4361, 6920), (4844, 6230), (4984, 6055)]