28103460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 216

約数和(自身を含む): 101888640

約数和(自身を除く): 73785180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 79, 84, 98, 105, 110, 121, 132, 140, 147, 154, 158, 165, 196, 210, 220, 231, 237, 242, 245, 294, 308, 316, 330, 363, 385, 395, 420, 462, 474, 484, 490, 539, 553, 588, 605, 660, 726, 735, 770, 790, 847, 869, 924, 948, 980, 1078, 1106, 1155, 1185, 1210, 1452, 1470, 1540, 1580, 1617, 1659, 1694, 1738, 1815, 2156, 2212, 2310, 2370, 2420, 2541, 2607, 2695, 2765, 2940, 3234, 3318, 3388, 3476, 3630, 3871, 4235, 4345, 4620, 4740, 5082, 5214, 5390, 5530, 5929, 6083, 6468, 6636, 7260, 7742, 8085, 8295, 8470, 8690, 9559, 10164, 10428, 10780, 11060, 11613, 11858, 12166, 12705, 13035, 15484, 16170, 16590, 16940, 17380, 17787, 18249, 19118, 19355, 23226, 23716, 24332, 25410, 26070, 28677, 29645, 30415, 32340, 33180, 35574, 36498, 38236, 38710, 42581, 46452, 47795, 50820, 52140, 57354, 58065, 59290, 60830, 66913, 71148, 72996, 77420, 85162, 88935, 91245, 95590, 114708, 116130, 118580, 121660, 127743, 133826, 143385, 170324, 177870, 182490, 191180, 200739, 212905, 232260, 255486, 267652, 286770, 334565, 355740, 364980, 401478, 425810, 468391, 510972, 573540, 638715, 669130, 802956, 851620, 936782, 1003695, 1277430, 1338260, 1405173, 1873564, 2007390, 2341955, 2554860, 2810346, 4014780, 4683910, 5620692, 7025865, 9367820, 14051730, 28103460]

約数ペア:

[(1, 28103460), (2, 14051730), (3, 9367820), (4, 7025865), (5, 5620692), (6, 4683910), (7, 4014780), (10, 2810346), (11, 2554860), (12, 2341955), (14, 2007390), (15, 1873564), (20, 1405173), (21, 1338260), (22, 1277430), (28, 1003695), (30, 936782), (33, 851620), (35, 802956), (42, 669130), (44, 638715), (49, 573540), (55, 510972), (60, 468391), (66, 425810), (70, 401478), (77, 364980), (79, 355740), (84, 334565), (98, 286770), (105, 267652), (110, 255486), (121, 232260), (132, 212905), (140, 200739), (147, 191180), (154, 182490), (158, 177870), (165, 170324), (196, 143385), (210, 133826), (220, 127743), (231, 121660), (237, 118580), (242, 116130), (245, 114708), (294, 95590), (308, 91245), (316, 88935), (330, 85162), (363, 77420), (385, 72996), (395, 71148), (420, 66913), (462, 60830), (474, 59290), (484, 58065), (490, 57354), (539, 52140), (553, 50820), (588, 47795), (605, 46452), (660, 42581), (726, 38710), (735, 38236), (770, 36498), (790, 35574), (847, 33180), (869, 32340), (924, 30415), (948, 29645), (980, 28677), (1078, 26070), (1106, 25410), (1155, 24332), (1185, 23716), (1210, 23226), (1452, 19355), (1470, 19118), (1540, 18249), (1580, 17787), (1617, 17380), (1659, 16940), (1694, 16590), (1738, 16170), (1815, 15484), (2156, 13035), (2212, 12705), (2310, 12166), (2370, 11858), (2420, 11613), (2541, 11060), (2607, 10780), (2695, 10428), (2765, 10164), (2940, 9559), (3234, 8690), (3318, 8470), (3388, 8295), (3476, 8085), (3630, 7742), (3871, 7260), (4235, 6636), (4345, 6468), (4620, 6083), (4740, 5929), (5082, 5530), (5214, 5390)]