27181980

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:95

約数の個数: 288

約数和(自身を含む): 105670656

約数和(自身を除く): 78488676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 47, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 94, 102, 105, 108, 119, 126, 135, 140, 141, 153, 162, 170, 180, 188, 189, 204, 210, 235, 238, 243, 252, 255, 270, 282, 306, 315, 324, 329, 340, 357, 378, 405, 420, 423, 459, 470, 476, 486, 510, 540, 564, 567, 595, 612, 630, 658, 705, 714, 756, 765, 799, 810, 846, 918, 940, 945, 972, 987, 1020, 1071, 1134, 1190, 1215, 1260, 1269, 1316, 1377, 1410, 1428, 1530, 1598, 1620, 1645, 1692, 1701, 1785, 1836, 1890, 1974, 2115, 2142, 2268, 2295, 2380, 2397, 2430, 2538, 2754, 2820, 2835, 2961, 3060, 3196, 3213, 3290, 3402, 3570, 3780, 3807, 3948, 3995, 4131, 4230, 4284, 4590, 4794, 4860, 4935, 5076, 5355, 5508, 5593, 5670, 5922, 6345, 6426, 6580, 6804, 6885, 7140, 7191, 7614, 7990, 8262, 8460, 8505, 8883, 9180, 9588, 9639, 9870, 10710, 11186, 11340, 11421, 11844, 11985, 12690, 12852, 13770, 14382, 14805, 15228, 15980, 16065, 16524, 16779, 17010, 17766, 19035, 19278, 19740, 20655, 21420, 21573, 22372, 22842, 23970, 25380, 26649, 27540, 27965, 28764, 28917, 29610, 32130, 33558, 34020, 35532, 35955, 38070, 38556, 41310, 43146, 44415, 45684, 47940, 48195, 50337, 53298, 55930, 57105, 57834, 59220, 64260, 64719, 67116, 71910, 76140, 79947, 82620, 83895, 86292, 88830, 96390, 100674, 106596, 107865, 111860, 114210, 115668, 129438, 133245, 143820, 144585, 151011, 159894, 167790, 177660, 192780, 194157, 201348, 215730, 228420, 251685, 258876, 266490, 289170, 302022, 319788, 323595, 335580, 388314, 399735, 431460, 453033, 503370, 532980, 578340, 604044, 647190, 755055, 776628, 799470, 906066, 970785, 1006740, 1294380, 1359099, 1510110, 1598940, 1812132, 1941570, 2265165, 2718198, 3020220, 3883140, 4530330, 5436396, 6795495, 9060660, 13590990, 27181980]

約数ペア:

[(1, 27181980), (2, 13590990), (3, 9060660), (4, 6795495), (5, 5436396), (6, 4530330), (7, 3883140), (9, 3020220), (10, 2718198), (12, 2265165), (14, 1941570), (15, 1812132), (17, 1598940), (18, 1510110), (20, 1359099), (21, 1294380), (27, 1006740), (28, 970785), (30, 906066), (34, 799470), (35, 776628), (36, 755055), (42, 647190), (45, 604044), (47, 578340), (51, 532980), (54, 503370), (60, 453033), (63, 431460), (68, 399735), (70, 388314), (81, 335580), (84, 323595), (85, 319788), (90, 302022), (94, 289170), (102, 266490), (105, 258876), (108, 251685), (119, 228420), (126, 215730), (135, 201348), (140, 194157), (141, 192780), (153, 177660), (162, 167790), (170, 159894), (180, 151011), (188, 144585), (189, 143820), (204, 133245), (210, 129438), (235, 115668), (238, 114210), (243, 111860), (252, 107865), (255, 106596), (270, 100674), (282, 96390), (306, 88830), (315, 86292), (324, 83895), (329, 82620), (340, 79947), (357, 76140), (378, 71910), (405, 67116), (420, 64719), (423, 64260), (459, 59220), (470, 57834), (476, 57105), (486, 55930), (510, 53298), (540, 50337), (564, 48195), (567, 47940), (595, 45684), (612, 44415), (630, 43146), (658, 41310), (705, 38556), (714, 38070), (756, 35955), (765, 35532), (799, 34020), (810, 33558), (846, 32130), (918, 29610), (940, 28917), (945, 28764), (972, 27965), (987, 27540), (1020, 26649), (1071, 25380), (1134, 23970), (1190, 22842), (1215, 22372), (1260, 21573), (1269, 21420), (1316, 20655), (1377, 19740), (1410, 19278), (1428, 19035), (1530, 17766), (1598, 17010), (1620, 16779), (1645, 16524), (1692, 16065), (1701, 15980), (1785, 15228), (1836, 14805), (1890, 14382), (1974, 13770), (2115, 12852), (2142, 12690), (2268, 11985), (2295, 11844), (2380, 11421), (2397, 11340), (2430, 11186), (2538, 10710), (2754, 9870), (2820, 9639), (2835, 9588), (2961, 9180), (3060, 8883), (3196, 8505), (3213, 8460), (3290, 8262), (3402, 7990), (3570, 7614), (3780, 7191), (3807, 7140), (3948, 6885), (3995, 6804), (4131, 6580), (4230, 6426), (4284, 6345), (4590, 5922), (4794, 5670), (4860, 5593), (4935, 5508), (5076, 5355)]