30927820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 87333120

約数和(自身を除く): 56405300

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 140, 151, 154, 190, 196, 209, 220, 245, 266, 302, 308, 380, 385, 418, 490, 532, 539, 604, 665, 755, 770, 836, 931, 980, 1045, 1057, 1078, 1330, 1463, 1510, 1540, 1661, 1862, 2090, 2114, 2156, 2660, 2695, 2869, 2926, 3020, 3322, 3724, 4180, 4228, 4655, 5285, 5390, 5738, 5852, 6644, 7315, 7399, 8305, 9310, 10241, 10570, 10780, 11476, 11627, 14345, 14630, 14798, 16610, 18620, 20083, 20482, 21140, 23254, 28690, 29260, 29596, 31559, 33220, 36995, 40166, 40964, 46508, 51205, 57380, 58135, 63118, 73990, 80332, 81389, 100415, 102410, 116270, 126236, 140581, 147980, 157795, 162778, 200830, 204820, 220913, 232540, 281162, 315590, 325556, 401660, 406945, 441826, 562324, 631180, 702905, 813890, 883652, 1104565, 1405810, 1546391, 1627780, 2209130, 2811620, 3092782, 4418260, 6185564, 7731955, 15463910, 30927820]

約数ペア:

[(1, 30927820), (2, 15463910), (4, 7731955), (5, 6185564), (7, 4418260), (10, 3092782), (11, 2811620), (14, 2209130), (19, 1627780), (20, 1546391), (22, 1405810), (28, 1104565), (35, 883652), (38, 813890), (44, 702905), (49, 631180), (55, 562324), (70, 441826), (76, 406945), (77, 401660), (95, 325556), (98, 315590), (110, 281162), (133, 232540), (140, 220913), (151, 204820), (154, 200830), (190, 162778), (196, 157795), (209, 147980), (220, 140581), (245, 126236), (266, 116270), (302, 102410), (308, 100415), (380, 81389), (385, 80332), (418, 73990), (490, 63118), (532, 58135), (539, 57380), (604, 51205), (665, 46508), (755, 40964), (770, 40166), (836, 36995), (931, 33220), (980, 31559), (1045, 29596), (1057, 29260), (1078, 28690), (1330, 23254), (1463, 21140), (1510, 20482), (1540, 20083), (1661, 18620), (1862, 16610), (2090, 14798), (2114, 14630), (2156, 14345), (2660, 11627), (2695, 11476), (2869, 10780), (2926, 10570), (3020, 10241), (3322, 9310), (3724, 8305), (4180, 7399), (4228, 7315), (4655, 6644), (5285, 5852), (5390, 5738)]