20175129780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{22709}}^1$

素因数の和:22818

約数の個数: 192

約数和(自身を含む): 65378638080

約数和(自身を除く): 45203508300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 67, 68, 78, 85, 102, 130, 134, 156, 170, 195, 201, 204, 221, 255, 260, 268, 335, 340, 390, 402, 442, 510, 663, 670, 780, 804, 871, 884, 1005, 1020, 1105, 1139, 1326, 1340, 1742, 2010, 2210, 2278, 2613, 2652, 3315, 3417, 3484, 4020, 4355, 4420, 4556, 5226, 5695, 6630, 6834, 8710, 10452, 11390, 13065, 13260, 13668, 14807, 17085, 17420, 22709, 22780, 26130, 29614, 34170, 44421, 45418, 52260, 59228, 68127, 68340, 74035, 88842, 90836, 113545, 136254, 148070, 177684, 222105, 227090, 272508, 295217, 296140, 340635, 386053, 444210, 454180, 590434, 681270, 772106, 885651, 888420, 1158159, 1180868, 1362540, 1476085, 1521503, 1544212, 1771302, 1930265, 2316318, 2952170, 3043006, 3542604, 3860530, 4428255, 4564509, 4632636, 5018689, 5790795, 5904340, 6086012, 7607515, 7721060, 8856510, 9129018, 10037378, 11581590, 15056067, 15215030, 17713020, 18258036, 19779539, 20074756, 22822545, 23163180, 25093445, 25865551, 30112134, 30430060, 39559078, 45645090, 50186890, 51731102, 59338617, 60224268, 75280335, 77596653, 79118156, 91290180, 98897695, 100373780, 103462204, 118677234, 129327755, 150560670, 155193306, 197795390, 237354468, 258655510, 296693085, 301121340, 310386612, 336252163, 387983265, 395590780, 517311020, 593386170, 672504326, 775966530, 1008756489, 1186772340, 1345008652, 1551933060, 1681260815, 2017512978, 3362521630, 4035025956, 5043782445, 6725043260, 10087564890, 20175129780]

約数ペア:

[(1, 20175129780), (2, 10087564890), (3, 6725043260), (4, 5043782445), (5, 4035025956), (6, 3362521630), (10, 2017512978), (12, 1681260815), (13, 1551933060), (15, 1345008652), (17, 1186772340), (20, 1008756489), (26, 775966530), (30, 672504326), (34, 593386170), (39, 517311020), (51, 395590780), (52, 387983265), (60, 336252163), (65, 310386612), (67, 301121340), (68, 296693085), (78, 258655510), (85, 237354468), (102, 197795390), (130, 155193306), (134, 150560670), (156, 129327755), (170, 118677234), (195, 103462204), (201, 100373780), (204, 98897695), (221, 91290180), (255, 79118156), (260, 77596653), (268, 75280335), (335, 60224268), (340, 59338617), (390, 51731102), (402, 50186890), (442, 45645090), (510, 39559078), (663, 30430060), (670, 30112134), (780, 25865551), (804, 25093445), (871, 23163180), (884, 22822545), (1005, 20074756), (1020, 19779539), (1105, 18258036), (1139, 17713020), (1326, 15215030), (1340, 15056067), (1742, 11581590), (2010, 10037378), (2210, 9129018), (2278, 8856510), (2613, 7721060), (2652, 7607515), (3315, 6086012), (3417, 5904340), (3484, 5790795), (4020, 5018689), (4355, 4632636), (4420, 4564509), (4556, 4428255), (5226, 3860530), (5695, 3542604), (6630, 3043006), (6834, 2952170), (8710, 2316318), (10452, 1930265), (11390, 1771302), (13065, 1544212), (13260, 1521503), (13668, 1476085), (14807, 1362540), (17085, 1180868), (17420, 1158159), (22709, 888420), (22780, 885651), (26130, 772106), (29614, 681270), (34170, 590434), (44421, 454180), (45418, 444210), (52260, 386053), (59228, 340635), (68127, 296140), (68340, 295217), (74035, 272508), (88842, 227090), (90836, 222105), (113545, 177684), (136254, 148070)]