86787820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 229824000

約数和(自身を除く): 143036180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 59, 70, 76, 79, 95, 98, 118, 133, 140, 158, 190, 196, 236, 245, 266, 295, 316, 380, 395, 413, 490, 532, 553, 590, 665, 790, 826, 931, 980, 1106, 1121, 1180, 1330, 1501, 1580, 1652, 1862, 2065, 2212, 2242, 2660, 2765, 2891, 3002, 3724, 3871, 4130, 4484, 4655, 4661, 5530, 5605, 5782, 6004, 7505, 7742, 7847, 8260, 9310, 9322, 10507, 11060, 11210, 11564, 14455, 15010, 15484, 15694, 18620, 18644, 19355, 21014, 22420, 23305, 28910, 30020, 31388, 32627, 38710, 39235, 42028, 46610, 52535, 54929, 57820, 65254, 73549, 77420, 78470, 88559, 93220, 105070, 109858, 130508, 147098, 156940, 163135, 177118, 210140, 219716, 228389, 274645, 294196, 326270, 354236, 367745, 442795, 456778, 549290, 619913, 652540, 735490, 885590, 913556, 1098580, 1141945, 1239826, 1470980, 1771180, 2283890, 2479652, 3099565, 4339391, 4567780, 6199130, 8678782, 12398260, 17357564, 21696955, 43393910, 86787820]

約数ペア:

[(1, 86787820), (2, 43393910), (4, 21696955), (5, 17357564), (7, 12398260), (10, 8678782), (14, 6199130), (19, 4567780), (20, 4339391), (28, 3099565), (35, 2479652), (38, 2283890), (49, 1771180), (59, 1470980), (70, 1239826), (76, 1141945), (79, 1098580), (95, 913556), (98, 885590), (118, 735490), (133, 652540), (140, 619913), (158, 549290), (190, 456778), (196, 442795), (236, 367745), (245, 354236), (266, 326270), (295, 294196), (316, 274645), (380, 228389), (395, 219716), (413, 210140), (490, 177118), (532, 163135), (553, 156940), (590, 147098), (665, 130508), (790, 109858), (826, 105070), (931, 93220), (980, 88559), (1106, 78470), (1121, 77420), (1180, 73549), (1330, 65254), (1501, 57820), (1580, 54929), (1652, 52535), (1862, 46610), (2065, 42028), (2212, 39235), (2242, 38710), (2660, 32627), (2765, 31388), (2891, 30020), (3002, 28910), (3724, 23305), (3871, 22420), (4130, 21014), (4484, 19355), (4655, 18644), (4661, 18620), (5530, 15694), (5605, 15484), (5782, 15010), (6004, 14455), (7505, 11564), (7742, 11210), (7847, 11060), (8260, 10507), (9310, 9322)]