1620059320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:354

約数の個数: 192

約数和(自身を含む): 4290048000

約数和(自身を除く): 2669988680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 79, 88, 95, 110, 121, 152, 158, 190, 209, 220, 223, 242, 316, 380, 395, 418, 440, 446, 484, 605, 632, 760, 790, 836, 869, 892, 968, 1045, 1115, 1210, 1501, 1580, 1672, 1738, 1784, 2090, 2230, 2299, 2420, 2453, 3002, 3160, 3476, 4180, 4237, 4345, 4460, 4598, 4840, 4906, 6004, 6952, 7505, 8360, 8474, 8690, 8920, 9196, 9559, 9812, 11495, 12008, 12265, 15010, 16511, 16948, 17380, 17617, 18392, 19118, 19624, 21185, 22990, 24530, 26983, 30020, 33022, 33896, 34760, 35234, 38236, 42370, 45980, 46607, 47795, 49060, 53966, 60040, 66044, 70468, 76472, 82555, 84740, 88085, 91960, 93214, 95590, 98120, 107932, 132088, 134915, 140936, 165110, 169480, 176170, 181621, 186428, 191180, 193787, 215864, 233035, 269830, 330220, 334723, 352340, 363242, 372856, 382360, 387574, 466070, 512677, 539660, 660440, 669446, 704680, 726484, 775148, 908105, 932140, 968935, 1025354, 1079320, 1338892, 1452968, 1550296, 1673615, 1816210, 1864280, 1937870, 2050708, 2131657, 2563385, 2677784, 3347230, 3632420, 3681953, 3875740, 4101416, 4263314, 5126770, 6694460, 7264840, 7363906, 7751480, 8526628, 10253540, 10658285, 13388920, 14727812, 17053256, 18409765, 20507080, 21316570, 29455624, 36819530, 40501483, 42633140, 73639060, 81002966, 85266280, 147278120, 162005932, 202507415, 324011864, 405014830, 810029660, 1620059320]

約数ペア:

[(1, 1620059320), (2, 810029660), (4, 405014830), (5, 324011864), (8, 202507415), (10, 162005932), (11, 147278120), (19, 85266280), (20, 81002966), (22, 73639060), (38, 42633140), (40, 40501483), (44, 36819530), (55, 29455624), (76, 21316570), (79, 20507080), (88, 18409765), (95, 17053256), (110, 14727812), (121, 13388920), (152, 10658285), (158, 10253540), (190, 8526628), (209, 7751480), (220, 7363906), (223, 7264840), (242, 6694460), (316, 5126770), (380, 4263314), (395, 4101416), (418, 3875740), (440, 3681953), (446, 3632420), (484, 3347230), (605, 2677784), (632, 2563385), (760, 2131657), (790, 2050708), (836, 1937870), (869, 1864280), (892, 1816210), (968, 1673615), (1045, 1550296), (1115, 1452968), (1210, 1338892), (1501, 1079320), (1580, 1025354), (1672, 968935), (1738, 932140), (1784, 908105), (2090, 775148), (2230, 726484), (2299, 704680), (2420, 669446), (2453, 660440), (3002, 539660), (3160, 512677), (3476, 466070), (4180, 387574), (4237, 382360), (4345, 372856), (4460, 363242), (4598, 352340), (4840, 334723), (4906, 330220), (6004, 269830), (6952, 233035), (7505, 215864), (8360, 193787), (8474, 191180), (8690, 186428), (8920, 181621), (9196, 176170), (9559, 169480), (9812, 165110), (11495, 140936), (12008, 134915), (12265, 132088), (15010, 107932), (16511, 98120), (16948, 95590), (17380, 93214), (17617, 91960), (18392, 88085), (19118, 84740), (19624, 82555), (21185, 76472), (22990, 70468), (24530, 66044), (26983, 60040), (30020, 53966), (33022, 49060), (33896, 47795), (34760, 46607), (35234, 45980), (38236, 42370)]