30920820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{887}}^1$

素因数の和:989

約数の個数: 96

約数和(自身を含む): 100251648

約数和(自身を除く): 69330828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 830, 887, 996, 1162, 1245, 1660, 1743, 1774, 2324, 2490, 2661, 2905, 3486, 3548, 4435, 4980, 5322, 5810, 6209, 6972, 8715, 8870, 10644, 11620, 12418, 13305, 17430, 17740, 18627, 24836, 26610, 31045, 34860, 37254, 53220, 62090, 73621, 74508, 93135, 124180, 147242, 186270, 220863, 294484, 368105, 372540, 441726, 515347, 736210, 883452, 1030694, 1104315, 1472420, 1546041, 2061388, 2208630, 2576735, 3092082, 4417260, 5153470, 6184164, 7730205, 10306940, 15460410, 30920820]

約数ペア:

[(1, 30920820), (2, 15460410), (3, 10306940), (4, 7730205), (5, 6184164), (6, 5153470), (7, 4417260), (10, 3092082), (12, 2576735), (14, 2208630), (15, 2061388), (20, 1546041), (21, 1472420), (28, 1104315), (30, 1030694), (35, 883452), (42, 736210), (60, 515347), (70, 441726), (83, 372540), (84, 368105), (105, 294484), (140, 220863), (166, 186270), (210, 147242), (249, 124180), (332, 93135), (415, 74508), (420, 73621), (498, 62090), (581, 53220), (830, 37254), (887, 34860), (996, 31045), (1162, 26610), (1245, 24836), (1660, 18627), (1743, 17740), (1774, 17430), (2324, 13305), (2490, 12418), (2661, 11620), (2905, 10644), (3486, 8870), (3548, 8715), (4435, 6972), (4980, 6209), (5322, 5810)]